34638312 has 32 divisors (see below), whose sum is σ = 87494400. Its totient is φ = 11426304.

The previous prime is 34638293. The next prime is 34638319. The reversal of 34638312 is 21383643.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 34638312.

It is not an unprimeable number, because it can be changed into a prime (34638319) 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, 5112 + ... + 9767.

It is an arithmetic number, because the mean of its divisors is an integer number (2734200).

Almost surely, 2^34638312 is an apocalyptic number.

It is an amenable number.

34638312 is an abundant number, since it is smaller than the sum of its proper divisors (52856088).

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

34638312 is a wasteful number, since it uses less digits than its factorization.

34638312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14985 (or 14981 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 34638312 is about 5885.4321846403. The cubic root of 34638312 is about 325.9759601880.

The spelling of 34638312 in words is "thirty-four million, six hundred thirty-eight thousand, three hundred twelve".