444612906 has 48 divisors (see below), whose sum is σ = 982406880. Its totient is φ = 145297440.

The previous prime is 444612893. The next prime is 444612907. The reversal of 444612906 is 609216444.

It is not an unprimeable number, because it can be changed into a prime (444612907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206596 + ... + 208736.

It is an arithmetic number, because the mean of its divisors is an integer number (20466810).

Almost surely, 2^444612906 is an apocalyptic number.

444612906 is an abundant number, since it is smaller than the sum of its proper divisors (537793974).

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

444612906 is a wasteful number, since it uses less digits than its factorization.

444612906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371 (or 2368 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 444612906 is about 21085.8461058597. The cubic root of 444612906 is about 763.2392363601.

The spelling of 444612906 in words is "four hundred forty-four million, six hundred twelve thousand, nine hundred six".