42389536 has 24 divisors (see below), whose sum is σ = 95376960. Its totient is φ = 18166848.

The previous prime is 42389533. The next prime is 42389537. The reversal of 42389536 is 63598324.

It is not an unprimeable number, because it can be changed into a prime (42389533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94396 + ... + 94843.

It is an arithmetic number, because the mean of its divisors is an integer number (3974040).

Almost surely, 2^42389536 is an apocalyptic number.

It is an amenable number.

42389536 is an abundant number, since it is smaller than the sum of its proper divisors (52987424).

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

42389536 is a wasteful number, since it uses less digits than its factorization.

42389536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189256 (or 189248 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 42389536 is about 6510.7246908466. The cubic root of 42389536 is about 348.6739921630.

The spelling of 42389536 in words is "forty-two million, three hundred eighty-nine thousand, five hundred thirty-six".