34138312 has 32 divisors (see below), whose sum is σ = 72991800. Its totient is φ = 14828544.

The previous prime is 34138301. The next prime is 34138319. The reversal of 34138312 is 21383143.

It can be written as a sum of positive squares in 4 ways, for example, as 21846276 + 12292036 = 4674^2 + 3506^2 .

It is not an unprimeable number, because it can be changed into a prime (34138319) 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, 7887 + ... + 11422.

Almost surely, 2^34138312 is an apocalyptic number.

It is an amenable number.

34138312 is an abundant number, since it is smaller than the sum of its proper divisors (38853488).

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

34138312 is a wasteful number, since it uses less digits than its factorization.

34138312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19345 (or 19341 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 34138312 is about 5842.8000136921. The cubic root of 34138312 is about 324.3998771515.

The spelling of 34138312 in words is "thirty-four million, one hundred thirty-eight thousand, three hundred twelve".