34399670 has 24 divisors (see below), whose sum is σ = 65781504. Its totient is φ = 12949376.

The previous prime is 34399649. The next prime is 34399679. The reversal of 34399670 is 7699343.

34399670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×34399670² = 2366674592217800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34399679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3062 + ... + 8841.

It is an arithmetic number, because the mean of its divisors is an integer number (2740896).

Almost surely, 2^34399670 is an apocalyptic number.

34399670 is a deficient number, since it is larger than the sum of its proper divisors (31381834).

34399670 is a wasteful number, since it uses less digits than its factorization.

34399670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11944 (or 11927 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 34399670 is about 5865.1231871121. The cubic root of 34399670 is about 325.2256263635.

The spelling of 34399670 in words is "thirty-four million, three hundred ninety-nine thousand, six hundred seventy".