29806664 has 16 divisors (see below), whose sum is σ = 57815100. Its totient is φ = 14389312.

The previous prime is 29806663. The next prime is 29806681. The reversal of 29806664 is 46660892.

It can be written as a sum of positive squares in 2 ways, for example, as 29789764 + 16900 = 5458^2 + 130^2 .

It is not an unprimeable number, because it can be changed into a prime (29806663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64007 + ... + 64470.

Almost surely, 2^29806664 is an apocalyptic number.

It is an amenable number.

29806664 is a deficient number, since it is larger than the sum of its proper divisors (28008436).

29806664 is a wasteful number, since it uses less digits than its factorization.

29806664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128512 (or 128508 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 29806664 is about 5459.5479666361. The cubic root of 29806664 is about 310.0543227730.

The spelling of 29806664 in words is "twenty-nine million, eight hundred six thousand, six hundred sixty-four".