42492886 has 4 divisors (see below), whose sum is σ = 63739332. Its totient is φ = 21246442.

The previous prime is 42492883. The next prime is 42492893. The reversal of 42492886 is 68829424.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42492883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10623220 + ... + 10623223.

It is an arithmetic number, because the mean of its divisors is an integer number (15934833).

Almost surely, 2^42492886 is an apocalyptic number.

42492886 is a deficient number, since it is larger than the sum of its proper divisors (21246446).

42492886 is a wasteful number, since it uses less digits than its factorization.

42492886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21246445.

The product of its digits is 221184, while the sum is 43.

The square root of 42492886 is about 6518.6567634751. The cubic root of 42492886 is about 348.9571297330.

The spelling of 42492886 in words is "forty-two million, four hundred ninety-two thousand, eight hundred eighty-six".