34639899 has 16 divisors (see below), whose sum is σ = 53782272. Its totient is φ = 19420128.

The previous prime is 34639883. The next prime is 34639919. The reversal of 34639899 is 99893643.

It is not a de Polignac number, because 34639899 - 2⁴ = 34639883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34639819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14449 + ... + 16674.

It is an arithmetic number, because the mean of its divisors is an integer number (3361392).

Almost surely, 2^34639899 is an apocalyptic number.

34639899 is a deficient number, since it is larger than the sum of its proper divisors (19142373).

34639899 is a wasteful number, since it uses less digits than its factorization.

34639899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31186.

The product of its digits is 1259712, while the sum is 51.

The square root of 34639899 is about 5885.5670075193. The cubic root of 34639899 is about 325.9809384516.

The spelling of 34639899 in words is "thirty-four million, six hundred thirty-nine thousand, eight hundred ninety-nine".