34390899 has 20 divisors (see below), whose sum is σ = 52149064. Its totient is φ = 22581504.

The previous prime is 34390891. The next prime is 34390901. The reversal of 34390899 is 99809343.

It is not a de Polignac number, because 34390899 - 2³ = 34390891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34390891) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2259 + ... + 8595.

Almost surely, 2^34390899 is an apocalyptic number.

34390899 is a deficient number, since it is larger than the sum of its proper divisors (17758165).

34390899 is an equidigital number, since it uses as much as digits as its factorization.

34390899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416 (or 6407 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 34390899 is about 5864.3754143131. The cubic root of 34390899 is about 325.1979827219.

The spelling of 34390899 in words is "thirty-four million, three hundred ninety thousand, eight hundred ninety-nine".