42388941 has 16 divisors (see below), whose sum is σ = 64771200. Its totient is φ = 24155328.

The previous prime is 42388921. The next prime is 42388949. The reversal of 42388941 is 14988324.

It is not a de Polignac number, because 42388941 - 2⁵ = 42388909 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42388941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42388949) 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, 5575 + ... + 10763.

It is an arithmetic number, because the mean of its divisors is an integer number (4048200).

Almost surely, 2^42388941 is an apocalyptic number.

It is an amenable number.

42388941 is a deficient number, since it is larger than the sum of its proper divisors (22382259).

42388941 is a wasteful number, since it uses less digits than its factorization.

42388941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588.

The product of its digits is 55296, while the sum is 39.

The square root of 42388941 is about 6510.6789968482. The cubic root of 42388941 is about 348.6723607698.

The spelling of 42388941 in words is "forty-two million, three hundred eighty-eight thousand, nine hundred forty-one".