30656632 has 8 divisors (see below), whose sum is σ = 57481200. Its totient is φ = 15328312.

The previous prime is 30656629. The next prime is 30656653. The reversal of 30656632 is 23665603.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 30656594 and 30656603.

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 as a sum of consecutive naturals, namely, 1916032 + ... + 1916047.

It is an arithmetic number, because the mean of its divisors is an integer number (7185150).

Almost surely, 2^30656632 is an apocalyptic number.

It is an amenable number.

30656632 is a deficient number, since it is larger than the sum of its proper divisors (26824568).

30656632 is a wasteful number, since it uses less digits than its factorization.

30656632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832085 (or 3832081 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 30656632 is about 5536.8431438862. The cubic root of 30656632 is about 312.9739181484.

The spelling of 30656632 in words is "thirty million, six hundred fifty-six thousand, six hundred thirty-two".