29923982 has 16 divisors (see below), whose sum is σ = 49403952. Its totient is φ = 13480320.

The previous prime is 29923981. The next prime is 29923991. The reversal of 29923982 is 28932992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29923981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3533 + ... + 8504.

It is an arithmetic number, because the mean of its divisors is an integer number (3087747).

Almost surely, 2^29923982 is an apocalyptic number.

29923982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

29923982 is a deficient number, since it is larger than the sum of its proper divisors (19479970).

29923982 is a wasteful number, since it uses less digits than its factorization.

29923982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12163.

The product of its digits is 139968, while the sum is 44.

The square root of 29923982 is about 5470.2817112101. The cubic root of 29923982 is about 310.4605779379.

The spelling of 29923982 in words is "twenty-nine million, nine hundred twenty-three thousand, nine hundred eighty-two".