29996880 has 40 divisors (see below), whose sum is σ = 92991072. Its totient is φ = 7999104.

The previous prime is 29996873. The next prime is 29996893. The reversal of 29996880 is 8869992.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 62254 + ... + 62733.

Almost surely, 2^29996880 is an apocalyptic number.

29996880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29996880 is an abundant number, since it is smaller than the sum of its proper divisors (62994192).

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

29996880 is a wasteful number, since it uses less digits than its factorization.

29996880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125003 (or 124997 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 29996880 is about 5476.9407519162. The cubic root of 29996880 is about 310.7124784826.

It can be divided in two parts, 29996 and 880, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 29996880 in words is "twenty-nine million, nine hundred ninety-six thousand, eight hundred eighty".