30289292 has 12 divisors (see below), whose sum is σ = 57825096. Its totient is φ = 13767840.

The previous prime is 30289279. The next prime is 30289297. The reversal of 30289292 is 29298203.

It is a super-2 number, since 2×30289292² = 1834882419722528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30289297) by changing a digit.

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, 344153 + ... + 344240.

It is an arithmetic number, because the mean of its divisors is an integer number (4818758).

Almost surely, 2^30289292 is an apocalyptic number.

It is an amenable number.

30289292 is a deficient number, since it is larger than the sum of its proper divisors (27535804).

30289292 is a wasteful number, since it uses less digits than its factorization.

30289292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688408 (or 688406 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 30289292 is about 5503.5708408269. The cubic root of 30289292 is about 311.7188322734.

The spelling of 30289292 in words is "thirty million, two hundred eighty-nine thousand, two hundred ninety-two".