442462894 has 8 divisors (see below), whose sum is σ = 665788968. Its totient is φ = 220533240.

The previous prime is 442462871. The next prime is 442462901. The reversal of 442462894 is 498264244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 442462894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348312 + ... + 349579.

It is an arithmetic number, because the mean of its divisors is an integer number (83223621).

Almost surely, 2^442462894 is an apocalyptic number.

442462894 is a deficient number, since it is larger than the sum of its proper divisors (223326074).

442462894 is a wasteful number, since it uses less digits than its factorization.

442462894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698210.

The product of its digits is 442368, while the sum is 43.

The square root of 442462894 is about 21034.8019719702. The cubic root of 442462894 is about 762.0069841351.

The spelling of 442462894 in words is "four hundred forty-two million, four hundred sixty-two thousand, eight hundred ninety-four".