29621028 has 12 divisors (see below), whose sum is σ = 69115760. Its totient is φ = 9873672.

The previous prime is 29621017. The next prime is 29621063. The reversal of 29621028 is 82012692.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 29620986 and 29621004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234198 + ... + 1234221.

Almost surely, 2^29621028 is an apocalyptic number.

It is an amenable number.

29621028 is an abundant number, since it is smaller than the sum of its proper divisors (39494732).

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

29621028 is a wasteful number, since it uses less digits than its factorization.

29621028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468426 (or 2468424 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 29621028 is about 5442.5203720335. The cubic root of 29621028 is about 309.4093087551.

The spelling of 29621028 in words is "twenty-nine million, six hundred twenty-one thousand, twenty-eight".