29216990 has 32 divisors (see below), whose sum is σ = 57784320. Its totient is φ = 10548000.

The previous prime is 29216953. The next prime is 29217011. The reversal of 29216990 is 9961292.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 15731 + ... + 17489.

It is an arithmetic number, because the mean of its divisors is an integer number (1805760).

Almost surely, 2^29216990 is an apocalyptic number.

29216990 is a deficient number, since it is larger than the sum of its proper divisors (28567330).

29216990 is a wasteful number, since it uses less digits than its factorization.

29216990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 29216990 is about 5405.2742761122. The cubic root of 29216990 is about 307.9960574634.

The spelling of 29216990 in words is "twenty-nine million, two hundred sixteen thousand, nine hundred ninety".