442463234 has 4 divisors (see below), whose sum is σ = 663694854. Its totient is φ = 221231616.

The previous prime is 442463207. The next prime is 442463291. The reversal of 442463234 is 432364244.

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

It can be written as a sum of positive squares in only one way, i.e., 421275625 + 21187609 = 20525^2 + 4603^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 442463234.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110615807 + ... + 110615810.

Almost surely, 2^442463234 is an apocalyptic number.

442463234 is a deficient number, since it is larger than the sum of its proper divisors (221231620).

442463234 is a wasteful number, since it uses less digits than its factorization.

442463234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221231619.

The product of its digits is 55296, while the sum is 32.

The square root of 442463234 is about 21034.8100538132. The cubic root of 442463234 is about 762.0071793171.

The spelling of 442463234 in words is "four hundred forty-two million, four hundred sixty-three thousand, two hundred thirty-four".