16444946 has 32 divisors (see below), whose sum is σ = 29548800. Its totient is φ = 6716736.

The previous prime is 16444919. The next prime is 16444993. The reversal of 16444946 is 64944461.

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, 27155 + ... + 27753.

It is an arithmetic number, because the mean of its divisors is an integer number (923400).

Almost surely, 2^16444946 is an apocalyptic number.

16444946 is a deficient number, since it is larger than the sum of its proper divisors (13103854).

16444946 is a wasteful number, since it uses less digits than its factorization.

16444946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698.

The product of its digits is 82944, while the sum is 38.

The square root of 16444946 is about 4055.2368611463. The cubic root of 16444946 is about 254.2987061794.

The spelling of 16444946 in words is "sixteen million, four hundred forty-four thousand, nine hundred forty-six".