42623916 has 24 divisors (see below), whose sum is σ = 104690880. Its totient is φ = 13460112.

The previous prime is 42623909. The next prime is 42623921. The reversal of 42623916 is 61932624.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93246 + ... + 93701.

It is an arithmetic number, because the mean of its divisors is an integer number (4362120).

Almost surely, 2^42623916 is an apocalyptic number.

It is an amenable number.

42623916 is an abundant number, since it is smaller than the sum of its proper divisors (62066964).

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

42623916 is a wasteful number, since it uses less digits than its factorization.

42623916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186973 (or 186971 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 42623916 is about 6528.6994110619. The cubic root of 42623916 is about 349.3154401838.

It can be divided in two parts, 426 and 23916, that added together give a palindrome (24342).

The spelling of 42623916 in words is "forty-two million, six hundred twenty-three thousand, nine hundred sixteen".