30294920 has 32 divisors (see below), whose sum is σ = 69033600. Its totient is φ = 11963328.

The previous prime is 30294883. The next prime is 30294973. The reversal of 30294920 is 2949203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634 + ... + 7953.

It is an arithmetic number, because the mean of its divisors is an integer number (2157300).

Almost surely, 2^30294920 is an apocalyptic number.

It is an amenable number.

30294920 is an abundant number, since it is smaller than the sum of its proper divisors (38738680).

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

30294920 is a wasteful number, since it uses less digits than its factorization.

30294920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9677 (or 9673 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 30294920 is about 5504.0821214804. The cubic root of 30294920 is about 311.7381377202.

The spelling of 30294920 in words is "thirty million, two hundred ninety-four thousand, nine hundred twenty".