30493958 has 8 divisors (see below), whose sum is σ = 49899240. Its totient is φ = 13860880.

The previous prime is 30493933. The next prime is 30493963. The reversal of 30493958 is 85939403.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 693023 + ... + 693066.

It is an arithmetic number, because the mean of its divisors is an integer number (6237405).

Almost surely, 2^30493958 is an apocalyptic number.

30493958 is a deficient number, since it is larger than the sum of its proper divisors (19405282).

30493958 is a wasteful number, since it uses less digits than its factorization.

30493958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386102.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 30493958 is about 5522.1334645226. The cubic root of 30493958 is about 312.4193558306.

It can be divided in two parts, 3049395 and 8, that added together give a palindrome (3049403).

The spelling of 30493958 in words is "thirty million, four hundred ninety-three thousand, nine hundred fifty-eight".