444672406 has 8 divisors (see below), whose sum is σ = 669800160. Its totient is φ = 221405688.

The previous prime is 444672377. The next prime is 444672413. The reversal of 444672406 is 604276444.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464661 + ... + 465616.

It is an arithmetic number, because the mean of its divisors is an integer number (83725020).

Almost surely, 2^444672406 is an apocalyptic number.

444672406 is a deficient number, since it is larger than the sum of its proper divisors (225127754).

444672406 is a wasteful number, since it uses less digits than its factorization.

444672406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930518.

The product of its (nonzero) digits is 129024, while the sum is 37.

The square root of 444672406 is about 21087.2569576984. The cubic root of 444672406 is about 763.2732814874.

The spelling of 444672406 in words is "four hundred forty-four million, six hundred seventy-two thousand, four hundred six".