29838990 has 32 divisors (see below), whose sum is σ = 73282176. Its totient is φ = 7771680.

The previous prime is 29838989. The next prime is 29839009. The reversal of 29838990 is 9983892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10276 + ... + 12855.

It is an arithmetic number, because the mean of its divisors is an integer number (2290068).

Almost surely, 2^29838990 is an apocalyptic number.

29838990 is an abundant number, since it is smaller than the sum of its proper divisors (43443186).

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

29838990 is a wasteful number, since it uses less digits than its factorization.

29838990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23184.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 29838990 is about 5462.5076658985. The cubic root of 29838990 is about 310.1663692479.

The spelling of 29838990 in words is "twenty-nine million, eight hundred thirty-eight thousand, nine hundred ninety".