444971604 has 48 divisors (see below), whose sum is σ = 1294465536. Its totient is φ = 115576800.

The previous prime is 444971557. The next prime is 444971629. The reversal of 444971604 is 406179444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239862 + ... + 241709.

It is an arithmetic number, because the mean of its divisors is an integer number (26968032).

Almost surely, 2^444971604 is an apocalyptic number.

444971604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444971604 is an abundant number, since it is smaller than the sum of its proper divisors (849493932).

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

444971604 is a wasteful number, since it uses less digits than its factorization.

444971604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481596 (or 481594 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 444971604 is about 21094.3500492430. The cubic root of 444971604 is about 763.4444326808. Note that the first 4 decimals are identical.

The spelling of 444971604 in words is "four hundred forty-four million, nine hundred seventy-one thousand, six hundred four".