445890606 has 32 divisors (see below), whose sum is σ = 1019858688. Its totient is φ = 127312320.

The previous prime is 445890583. The next prime is 445890629. The reversal of 445890606 is 606098544.

It is an interprime number because it is at equal distance from previous prime (445890583) and next prime (445890629).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87961 + ... + 92891.

It is an arithmetic number, because the mean of its divisors is an integer number (31870584).

Almost surely, 2^445890606 is an apocalyptic number.

445890606 is an abundant number, since it is smaller than the sum of its proper divisors (573968082).

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

445890606 is a wasteful number, since it uses less digits than its factorization.

445890606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7096.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 445890606 is about 21116.1219450921. The cubic root of 445890606 is about 763.9696530895.

The spelling of 445890606 in words is "four hundred forty-five million, eight hundred ninety thousand, six hundred six".