34309312 has 28 divisors (see below), whose sum is σ = 70282816. Its totient is φ = 16600320.

The previous prime is 34309283. The next prime is 34309337. The reversal of 34309312 is 21390343.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6663 + ... + 10630.

Almost surely, 2^34309312 is an apocalyptic number.

34309312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

34309312 is an abundant number, since it is smaller than the sum of its proper divisors (35973504).

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

34309312 is a wasteful number, since it uses less digits than its factorization.

34309312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17336 (or 17326 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 34309312 is about 5857.4151295601. The cubic root of 34309312 is about 324.9406187368.

Adding to 34309312 its reverse (21390343), we get a palindrome (55699655).

The spelling of 34309312 in words is "thirty-four million, three hundred nine thousand, three hundred twelve".