29989580 has 24 divisors (see below), whose sum is σ = 63141792. Its totient is φ = 11964672.

The previous prime is 29989579. The next prime is 29989591. The reversal of 29989580 is 8598992.

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, 6929 + ... + 10391.

It is an arithmetic number, because the mean of its divisors is an integer number (2630908).

Almost surely, 2^29989580 is an apocalyptic number.

29989580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29989580 is an abundant number, since it is smaller than the sum of its proper divisors (33152212).

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

29989580 is a wasteful number, since it uses less digits than its factorization.

29989580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905 (or 3903 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 29989580 is about 5476.2742809322. The cubic root of 29989580 is about 310.6872715820.

The spelling of 29989580 in words is "twenty-nine million, nine hundred eighty-nine thousand, five hundred eighty".