42383916 has 18 divisors (see below), whose sum is σ = 107137212. Its totient is φ = 14127960.

The previous prime is 42383911. The next prime is 42383933. The reversal of 42383916 is 61938324.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1177331 = 42383916 / (4 + 2 + 3 + 8 + 3 + 9 + 1 + 6).

It is not an unprimeable number, because it can be changed into a prime (42383911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 588630 + ... + 588701.

Almost surely, 2^42383916 is an apocalyptic number.

It is an amenable number.

42383916 is an abundant number, since it is smaller than the sum of its proper divisors (64753296).

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

42383916 is a wasteful number, since it uses less digits than its factorization.

42383916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177341 (or 1177336 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 42383916 is about 6510.2930809603. The cubic root of 42383916 is about 348.6585824288.

The spelling of 42383916 in words is "forty-two million, three hundred eighty-three thousand, nine hundred sixteen".