29938490 has 16 divisors (see below), whose sum is σ = 56725920. Its totient is φ = 11345040.

The previous prime is 29938477. The next prime is 29938507. The reversal of 29938490 is 9483992.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 78596 + ... + 78975.

It is an arithmetic number, because the mean of its divisors is an integer number (3545370).

Almost surely, 2^29938490 is an apocalyptic number.

29938490 is a deficient number, since it is larger than the sum of its proper divisors (26787430).

29938490 is a wasteful number, since it uses less digits than its factorization.

29938490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157597.

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

The square root of 29938490 is about 5471.6076248211. The cubic root of 29938490 is about 310.5107432128.

The spelling of 29938490 in words is "twenty-nine million, nine hundred thirty-eight thousand, four hundred ninety".