34154320 has 40 divisors (see below), whose sum is σ = 80039520. Its totient is φ = 13553280.

The previous prime is 34154317. The next prime is 34154321. The reversal of 34154320 is 2345143.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 34154291 and 34154300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34154321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8851 + ... + 12109.

It is an arithmetic number, because the mean of its divisors is an integer number (2000988).

Almost surely, 2^34154320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34154320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40019760).

34154320 is an abundant number, since it is smaller than the sum of its proper divisors (45885200).

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

34154320 is a wasteful number, since it uses less digits than its factorization.

34154320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403 (or 3397 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 34154320 is about 5844.1697442836. The cubic root of 34154320 is about 324.4505746567.

Adding to 34154320 its reverse (2345143), we get a palindrome (36499463).

The spelling of 34154320 in words is "thirty-four million, one hundred fifty-four thousand, three hundred twenty".