394592142 has 16 divisors (see below), whose sum is σ = 901924992. Its totient is φ = 112740600.

The previous prime is 394592141. The next prime is 394592173. The reversal of 394592142 is 241295493.

It is a self number, because there is not a number n which added to its sum of digits gives 394592142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394592141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4697484 + ... + 4697567.

It is an arithmetic number, because the mean of its divisors is an integer number (56370312).

Almost surely, 2^394592142 is an apocalyptic number.

394592142 is an abundant number, since it is smaller than the sum of its proper divisors (507332850).

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

394592142 is a wasteful number, since it uses less digits than its factorization.

394592142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395063.

The product of its digits is 77760, while the sum is 39.

The square root of 394592142 is about 19864.3434827331. The cubic root of 394592142 is about 733.4707693284.

The spelling of 394592142 in words is "three hundred ninety-four million, five hundred ninety-two thousand, one hundred forty-two".