42393498 has 16 divisors (see below), whose sum is σ = 96899520. Its totient is φ = 12112416.

The previous prime is 42393497. The next prime is 42393511. The reversal of 42393498 is 89439324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1009369 = 42393498 / (4 + 2 + 3 + 9 + 3 + 4 + 9 + 8).

It is not an unprimeable number, because it can be changed into a prime (42393493) 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, 504643 + ... + 504726.

It is an arithmetic number, because the mean of its divisors is an integer number (6056220).

Almost surely, 2^42393498 is an apocalyptic number.

42393498 is an abundant number, since it is smaller than the sum of its proper divisors (54506022).

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

42393498 is a wasteful number, since it uses less digits than its factorization.

42393498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009381.

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

The square root of 42393498 is about 6511.0289509416. The cubic root of 42393498 is about 348.6848549328.

The spelling of 42393498 in words is "forty-two million, three hundred ninety-three thousand, four hundred ninety-eight".