29990564 has 6 divisors (see below), whose sum is σ = 52483494. Its totient is φ = 14995280.

The previous prime is 29990561. The next prime is 29990573. The reversal of 29990564 is 46509992.

It can be written as a sum of positive squares in only one way, i.e., 26604964 + 3385600 = 5158^2 + 1840^2 .

It is not an unprimeable number, because it can be changed into a prime (29990561) 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 as a sum of consecutive naturals, namely, 3748817 + ... + 3748824.

It is an arithmetic number, because the mean of its divisors is an integer number (8747249).

Almost surely, 2^29990564 is an apocalyptic number.

It is an amenable number.

29990564 is a deficient number, since it is larger than the sum of its proper divisors (22492930).

29990564 is a wasteful number, since it uses less digits than its factorization.

29990564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497645 (or 7497643 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 29990564 is about 5476.3641222987. The cubic root of 29990564 is about 310.6906695726.

The spelling of 29990564 in words is "twenty-nine million, nine hundred ninety thousand, five hundred sixty-four".