29923668 has 30 divisors (see below), whose sum is σ = 78227226. Its totient is φ = 9974448.

The previous prime is 29923633. The next prime is 29923687. The reversal of 29923668 is 86632992.

It can be written as a sum of positive squares in only one way, i.e., 27060804 + 2862864 = 5202^2 + 1692^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 45855 + ... + 46502.

Almost surely, 2^29923668 is an apocalyptic number.

It is an amenable number.

29923668 is an abundant number, since it is smaller than the sum of its proper divisors (48303558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29923668 is a wasteful number, since it uses less digits than its factorization.

29923668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92373 (or 92362 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 29923668 is about 5470.2530106020. The cubic root of 29923668 is about 310.4594920200.

The spelling of 29923668 in words is "twenty-nine million, nine hundred twenty-three thousand, six hundred sixty-eight".