442960287 has 32 divisors (see below), whose sum is σ = 739737600. Its totient is φ = 229050720.

The previous prime is 442960247. The next prime is 442960307. The reversal of 442960287 is 782069244.

It is not a de Polignac number, because 442960287 - 2⁷ = 442960159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442960237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47214 + ... + 55812.

It is an arithmetic number, because the mean of its divisors is an integer number (23116800).

Almost surely, 2^442960287 is an apocalyptic number.

442960287 is a deficient number, since it is larger than the sum of its proper divisors (296777313).

442960287 is a wasteful number, since it uses less digits than its factorization.

442960287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8843.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 442960287 is about 21046.6217479195. The cubic root of 442960287 is about 762.2924129701.

The spelling of 442960287 in words is "four hundred forty-two million, nine hundred sixty thousand, two hundred eighty-seven".