29980844 has 12 divisors (see below), whose sum is σ = 54159168. Its totient is φ = 14506800.

The previous prime is 29980837. The next prime is 29980859. The reversal of 29980844 is 44808992.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 29980795 and 29980804.

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 3 ways as a sum of consecutive naturals, for example, 120767 + ... + 121014.

It is an arithmetic number, because the mean of its divisors is an integer number (4513264).

Almost surely, 2^29980844 is an apocalyptic number.

It is an amenable number.

29980844 is a deficient number, since it is larger than the sum of its proper divisors (24178324).

29980844 is a wasteful number, since it uses less digits than its factorization.

29980844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241816 (or 241814 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 29980844 is about 5475.4766002605. The cubic root of 29980844 is about 310.6571007961.

The spelling of 29980844 in words is "twenty-nine million, nine hundred eighty thousand, eight hundred forty-four".