442867392 has 224 divisors, whose sum is σ = 1483522560. Its totient is φ = 128240640.

The previous prime is 442867351. The next prime is 442867423. The reversal of 442867392 is 293768244.

It is a super-2 number, since 2×442867392² = 392263053793763328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436678 + ... + 437690.

Almost surely, 2^442867392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442867392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741761280).

442867392 is an abundant number, since it is smaller than the sum of its proper divisors (1040655168).

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

442867392 is a wasteful number, since it uses less digits than its factorization.

442867392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1052 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 442867392 is about 21044.4147459605. The cubic root of 442867392 is about 762.2391214324.

The spelling of 442867392 in words is "four hundred forty-two million, eight hundred sixty-seven thousand, three hundred ninety-two".