30591442 has 8 divisors (see below), whose sum is σ = 52442496. Its totient is φ = 13110612.

The previous prime is 30591437. The next prime is 30591461. The reversal of 30591442 is 24419503.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30591442.

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, 1092538 + ... + 1092565.

It is an arithmetic number, because the mean of its divisors is an integer number (6555312).

Almost surely, 2^30591442 is an apocalyptic number.

30591442 is a deficient number, since it is larger than the sum of its proper divisors (21851054).

30591442 is a wasteful number, since it uses less digits than its factorization.

30591442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185112.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 30591442 is about 5530.9530824262. The cubic root of 30591442 is about 312.7519188901.

The spelling of 30591442 in words is "thirty million, five hundred ninety-one thousand, four hundred forty-two".