445993790 has 16 divisors (see below), whose sum is σ = 875769840. Its totient is φ = 162179520.

The previous prime is 445993787. The next prime is 445993829. The reversal of 445993790 is 97399544.

It is a congruent 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, 2027135 + ... + 2027354.

It is an arithmetic number, because the mean of its divisors is an integer number (54735615).

Almost surely, 2^445993790 is an apocalyptic number.

445993790 is a deficient number, since it is larger than the sum of its proper divisors (429776050).

445993790 is a wasteful number, since it uses less digits than its factorization.

445993790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054507.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 445993790 is about 21118.5650554198. The cubic root of 445993790 is about 764.0285788767.

The spelling of 445993790 in words is "four hundred forty-five million, nine hundred ninety-three thousand, seven hundred ninety".