30485992 has 16 divisors (see below), whose sum is σ = 57687300. Its totient is φ = 15102720.

The previous prime is 30485977. The next prime is 30486023. The reversal of 30485992 is 29958403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30404196 + 81796 = 5514^2 + 286^2 .

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, 16609 + ... + 18352.

Almost surely, 2^30485992 is an apocalyptic number.

It is an amenable number.

30485992 is a deficient number, since it is larger than the sum of its proper divisors (27201308).

30485992 is a wasteful number, since it uses less digits than its factorization.

30485992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35076 (or 35072 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 30485992 is about 5521.4121382125. The cubic root of 30485992 is about 312.3921488089.

The spelling of 30485992 in words is "thirty million, four hundred eighty-five thousand, nine hundred ninety-two".