30444946 has 32 divisors (see below), whose sum is σ = 54033408. Its totient is φ = 12594960.

The previous prime is 30444937. The next prime is 30445027. The reversal of 30444946 is 64944403.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 15 ways as a sum of consecutive naturals, for example, 61761 + ... + 62251.

It is an arithmetic number, because the mean of its divisors is an integer number (1688544).

Almost surely, 2^30444946 is an apocalyptic number.

30444946 is a deficient number, since it is larger than the sum of its proper divisors (23588462).

30444946 is a wasteful number, since it uses less digits than its factorization.

30444946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 30444946 is about 5517.6939023472. The cubic root of 30444946 is about 312.2518854041.

The spelling of 30444946 in words is "thirty million, four hundred forty-four thousand, nine hundred forty-six".