30440946 has 16 divisors (see below), whose sum is σ = 62846208. Its totient is φ = 9819600.

The previous prime is 30440939. The next prime is 30440959. The reversal of 30440946 is 64904403.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81645 + ... + 82016.

It is an arithmetic number, because the mean of its divisors is an integer number (3927888).

Almost surely, 2^30440946 is an apocalyptic number.

30440946 is an abundant number, since it is smaller than the sum of its proper divisors (32405262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30440946 is a wasteful number, since it uses less digits than its factorization.

30440946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163697.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 30440946 is about 5517.3314201704. The cubic root of 30440946 is about 312.2382097654.

The spelling of 30440946 in words is "thirty million, four hundred forty thousand, nine hundred forty-six".