444161946 has 16 divisors (see below), whose sum is σ = 894809664. Its totient is φ = 146973024.

The previous prime is 444161929. The next prime is 444161951. The reversal of 444161946 is 649161444.

It is a happy 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, 269350 + ... + 270993.

It is an arithmetic number, because the mean of its divisors is an integer number (55925604).

Almost surely, 2^444161946 is an apocalyptic number.

444161946 is an abundant number, since it is smaller than the sum of its proper divisors (450647718).

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

444161946 is a wasteful number, since it uses less digits than its factorization.

444161946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540485.

The product of its digits is 82944, while the sum is 39.

The square root of 444161946 is about 21075.1499638793. The cubic root of 444161946 is about 762.9811041025.

The spelling of 444161946 in words is "four hundred forty-four million, one hundred sixty-one thousand, nine hundred forty-six".