442612798 has 4 divisors (see below), whose sum is σ = 663919200. Its totient is φ = 221306398.

The previous prime is 442612789. The next prime is 442612813. The reversal of 442612798 is 897216244.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110653198 + ... + 110653201.

It is an arithmetic number, because the mean of its divisors is an integer number (165979800).

Almost surely, 2^442612798 is an apocalyptic number.

442612798 is a deficient number, since it is larger than the sum of its proper divisors (221306402).

442612798 is a wasteful number, since it uses less digits than its factorization.

442612798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221306401.

The product of its digits is 193536, while the sum is 43.

The square root of 442612798 is about 21038.3649079485. The cubic root of 442612798 is about 762.0930290133.

The spelling of 442612798 in words is "four hundred forty-two million, six hundred twelve thousand, seven hundred ninety-eight".