34163856 has 140 divisors (see below), whose sum is σ = 103681980. Its totient is φ = 10886400.

The previous prime is 34163849. The next prime is 34163869. The reversal of 34163856 is 65836143.

It can be written as a sum of positive squares in 2 ways, for example, as 26873856 + 7290000 = 5184^2 + 2700^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

Its product of digits (51840) is a multiple of the sum of its prime divisors (135).

It is a self number, because there is not a number n which added to its sum of digits gives 34163856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 338206 + ... + 338306.

Almost surely, 2^34163856 is an apocalyptic number.

34163856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34163856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51840990).

34163856 is an abundant number, since it is smaller than the sum of its proper divisors (69518124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34163856 is a wasteful number, since it uses less digits than its factorization.

34163856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 135 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 34163856 is about 5844.9855431814. The cubic root of 34163856 is about 324.4807677409.

Adding to 34163856 its reverse (65836143), we get a palindrome (99999999).

The spelling of 34163856 in words is "thirty-four million, one hundred sixty-three thousand, eight hundred fifty-six".