30942458 has 8 divisors (see below), whose sum is σ = 46437300. Its totient is φ = 15463360.

The previous prime is 30942427. The next prime is 30942463. The reversal of 30942458 is 85424903.

It can be written as a sum of positive squares in 2 ways, for example, as 30658369 + 284089 = 5537^2 + 533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×30942458³ (a number of 23 digits) contains 333 as substring.

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, 5618 + ... + 9666.

Almost surely, 2^30942458 is an apocalyptic number.

30942458 is a deficient number, since it is larger than the sum of its proper divisors (15494842).

30942458 is a wasteful number, since it uses less digits than its factorization.

30942458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 30942458 is about 5562.5945385225. The cubic root of 30942458 is about 313.9435778374.

The spelling of 30942458 in words is "thirty million, nine hundred forty-two thousand, four hundred fifty-eight".