42498393 has 16 divisors (see below), whose sum is σ = 64997376. Its totient is φ = 24195600.

The previous prime is 42498377. The next prime is 42498397. The reversal of 42498393 is 39389424.

It is a happy number.

It is not a de Polignac number, because 42498393 - 2⁴ = 42498377 is a prime.

It is a super-2 number, since 2×42498393² = 3612226815164898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42498397) 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, 2368 + ... + 9518.

It is an arithmetic number, because the mean of its divisors is an integer number (4062336).

Almost surely, 2^42498393 is an apocalyptic number.

It is an amenable number.

42498393 is a deficient number, since it is larger than the sum of its proper divisors (22498983).

42498393 is a wasteful number, since it uses less digits than its factorization.

42498393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7444.

The product of its digits is 186624, while the sum is 42.

The square root of 42498393 is about 6519.0791527638. The cubic root of 42498393 is about 348.9722038163.

The spelling of 42498393 in words is "forty-two million, four hundred ninety-eight thousand, three hundred ninety-three".