442097292 has 48 divisors (see below), whose sum is σ = 1269615872. Its totient is φ = 116596800.

The previous prime is 442097281. The next prime is 442097297. The reversal of 442097292 is 292790244.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 442097292.

It is not an unprimeable number, because it can be changed into a prime (442097297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201334 + ... + 203517.

Almost surely, 2^442097292 is an apocalyptic number.

442097292 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

442097292 is an abundant number, since it is smaller than the sum of its proper divisors (827518580).

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

442097292 is a wasteful number, since it uses less digits than its factorization.

442097292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404878 (or 404876 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 442097292 is about 21026.1097685711. The cubic root of 442097292 is about 761.7970470996.

The spelling of 442097292 in words is "four hundred forty-two million, ninety-seven thousand, two hundred ninety-two".