445916738 has 32 divisors (see below), whose sum is σ = 726243840. Its totient is φ = 204647040.

The previous prime is 445916699. The next prime is 445916743. The reversal of 445916738 is 837619544.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 445916692 and 445916701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243695 + ... + 245517.

It is an arithmetic number, because the mean of its divisors is an integer number (22695120).

Almost surely, 2^445916738 is an apocalyptic number.

445916738 is a deficient number, since it is larger than the sum of its proper divisors (280327102).

445916738 is a wasteful number, since it uses less digits than its factorization.

445916738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042.

The product of its digits is 725760, while the sum is 47.

The square root of 445916738 is about 21116.7407049478. The cubic root of 445916738 is about 763.9845772770.

The spelling of 445916738 in words is "four hundred forty-five million, nine hundred sixteen thousand, seven hundred thirty-eight".