445803994 has 16 divisors (see below), whose sum is σ = 690967296. Its totient is φ = 215496000.

The previous prime is 445803989. The next prime is 445804013. The reversal of 445803994 is 499308544.

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, 71469 + ... + 77455.

It is an arithmetic number, because the mean of its divisors is an integer number (43185456).

Almost surely, 2^445803994 is an apocalyptic number.

445803994 is a deficient number, since it is larger than the sum of its proper divisors (245163302).

445803994 is a wasteful number, since it uses less digits than its factorization.

445803994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 445803994 is about 21114.0709954286. The cubic root of 445803994 is about 763.9201841365.

It can be divided in two parts, 44580399 and 4, that added together give a triangular number (44580403 = T₉₄₄₂).

The spelling of 445803994 in words is "four hundred forty-five million, eight hundred three thousand, nine hundred ninety-four".