34639402 has 16 divisors (see below), whose sum is σ = 60269760. Its totient is φ = 14623488.

The previous prime is 34639393. The next prime is 34639433. The reversal of 34639402 is 20493643.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17527 + ... + 19402.

It is an arithmetic number, because the mean of its divisors is an integer number (3766860).

Almost surely, 2^34639402 is an apocalyptic number.

34639402 is a deficient number, since it is larger than the sum of its proper divisors (25630358).

34639402 is a wasteful number, since it uses less digits than its factorization.

34639402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37005.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 34639402 is about 5885.5247854376. The cubic root of 34639402 is about 325.9793794276.

The spelling of 34639402 in words is "thirty-four million, six hundred thirty-nine thousand, four hundred two".