30649032 has 24 divisors (see below), whose sum is σ = 83007990. Its totient is φ = 10216320.

The previous prime is 30649013. The next prime is 30649043. The reversal of 30649032 is 23094603.

It can be written as a sum of positive squares in only one way, i.e., 24860196 + 5788836 = 4986^2 + 2406^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 30648987 and 30649005.

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 5 ways as a sum of consecutive naturals, for example, 212769 + ... + 212912.

Almost surely, 2^30649032 is an apocalyptic number.

It is an amenable number.

30649032 is an abundant number, since it is smaller than the sum of its proper divisors (52358958).

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

30649032 is a wasteful number, since it uses less digits than its factorization.

30649032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425693 (or 425686 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 30649032 is about 5536.1567896872. The cubic root of 30649032 is about 312.9480531810.

The spelling of 30649032 in words is "thirty million, six hundred forty-nine thousand, thirty-two".