42593239 has 8 divisors (see below), whose sum is σ = 46143440. Its totient is φ = 39314808.

The previous prime is 42593207. The next prime is 42593251. The reversal of 42593239 is 93239524.

It is not a de Polignac number, because 42593239 - 2⁵ = 42593207 is a prime.

It is a super-2 number, since 2×42593239² = 3628368017022242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42593198 and 42593207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42597239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7497 + ... + 11890.

It is an arithmetic number, because the mean of its divisors is an integer number (5767930).

Almost surely, 2^42593239 is an apocalyptic number.

42593239 is a deficient number, since it is larger than the sum of its proper divisors (3550201).

42593239 is an equidigital number, since it uses as much as digits as its factorization.

42593239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19426 (or 19400 counting only the distinct ones).

The product of its digits is 58320, while the sum is 37.

The square root of 42593239 is about 6526.3495922299. The cubic root of 42593239 is about 349.2316177464.

The spelling of 42593239 in words is "forty-two million, five hundred ninety-three thousand, two hundred thirty-nine".