34490128 has 20 divisors (see below), whose sum is σ = 68380048. Its totient is φ = 16843680.

The previous prime is 34490123. The next prime is 34490129. The reversal of 34490128 is 82109443.

It is a self number, because there is not a number n which added to its sum of digits gives 34490128.

It is not an unprimeable number, because it can be changed into a prime (34490123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24378 + ... + 25753.

Almost surely, 2^34490128 is an apocalyptic number.

It is an amenable number.

34490128 is a deficient number, since it is larger than the sum of its proper divisors (33889920).

34490128 is a wasteful number, since it uses less digits than its factorization.

34490128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50182 (or 50176 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 34490128 is about 5872.8296416634. The cubic root of 34490128 is about 325.5104499309.

The spelling of 34490128 in words is "thirty-four million, four hundred ninety thousand, one hundred twenty-eight".