34387912 has 16 divisors (see below), whose sum is σ = 69437340. Its totient is φ = 15871296.

The previous prime is 34387907. The next prime is 34387931. The reversal of 34387912 is 21978343.

It can be written as a sum of positive squares in 2 ways, for example, as 33477796 + 910116 = 5786^2 + 954^2 .

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, 165223 + ... + 165430.

Almost surely, 2^34387912 is an apocalyptic number.

It is an amenable number.

34387912 is an abundant number, since it is smaller than the sum of its proper divisors (35049428).

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

34387912 is a wasteful number, since it uses less digits than its factorization.

34387912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330672 (or 330668 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 34387912 is about 5864.1207354556. The cubic root of 34387912 is about 325.1885674936.

The spelling of 34387912 in words is "thirty-four million, three hundred eighty-seven thousand, nine hundred twelve".