42293868 has 36 divisors (see below), whose sum is σ = 100298520. Its totient is φ = 13869504.

The previous prime is 42293833. The next prime is 42293869. The reversal of 42293868 is 86839224.

It is not an unprimeable number, because it can be changed into a prime (42293869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212433 + ... + 212631.

It is an arithmetic number, because the mean of its divisors is an integer number (2786070).

Almost surely, 2^42293868 is an apocalyptic number.

It is an amenable number.

42293868 is an abundant number, since it is smaller than the sum of its proper divisors (58004652).

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

42293868 is a wasteful number, since it uses less digits than its factorization.

42293868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 293 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 42293868 is about 6503.3735860705. The cubic root of 42293868 is about 348.4114897286.

The spelling of 42293868 in words is "forty-two million, two hundred ninety-three thousand, eight hundred sixty-eight".