29990916 has 36 divisors (see below), whose sum is σ = 75998832. Its totient is φ = 9972144.

The previous prime is 29990903. The next prime is 29990927. The reversal of 29990916 is 61909992.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18931 + ... + 20453.

Almost surely, 2^29990916 is an apocalyptic number.

It is an amenable number.

29990916 is an abundant number, since it is smaller than the sum of its proper divisors (46007916).

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

29990916 is a wasteful number, since it uses less digits than its factorization.

29990916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 29990916 is about 5476.3962603157. The cubic root of 29990916 is about 310.6918850959.

It can be divided in two parts, 299909 and 16, that added together give a triangular number (299925 = T₇₇₄).

The spelling of 29990916 in words is "twenty-nine million, nine hundred ninety thousand, nine hundred sixteen".