29982855 has 72 divisors (see below), whose sum is σ = 59417712. Its totient is φ = 12870144.

The previous prime is 29982847. The next prime is 29982857. The reversal of 29982855 is 55828992.

It is not a de Polignac number, because 29982855 - 2³ = 29982847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29982857) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 265279 + ... + 265391.

It is an arithmetic number, because the mean of its divisors is an integer number (825246).

Almost surely, 2^29982855 is an apocalyptic number.

29982855 is a deficient number, since it is larger than the sum of its proper divisors (29434857).

29982855 is a wasteful number, since it uses less digits than its factorization.

29982855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 147 counting only the distinct ones).

The product of its digits is 518400, while the sum is 48.

The square root of 29982855 is about 5475.6602341635. The cubic root of 29982855 is about 310.6640465363.

The spelling of 29982855 in words is "twenty-nine million, nine hundred eighty-two thousand, eight hundred fifty-five".