442102386 has 32 divisors (see below), whose sum is σ = 973617408. Its totient is φ = 132716240.

The previous prime is 442102373. The next prime is 442102421. The reversal of 442102386 is 683201244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24240 + ... + 38363.

It is an arithmetic number, because the mean of its divisors is an integer number (30425544).

Almost surely, 2^442102386 is an apocalyptic number.

442102386 is an abundant number, since it is smaller than the sum of its proper divisors (531515022).

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

442102386 is a wasteful number, since it uses less digits than its factorization.

442102386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62726.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 442102386 is about 21026.2309033264. The cubic root of 442102386 is about 761.7999729859.

The spelling of 442102386 in words is "four hundred forty-two million, one hundred two thousand, three hundred eighty-six".