42430392 has 40 divisors (see below), whose sum is σ = 118846200. Its totient is φ = 14143248.

The previous prime is 42430361. The next prime is 42430397. The reversal of 42430392 is 29303424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42430397) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 32092 + ... + 33387.

It is an arithmetic number, because the mean of its divisors is an integer number (2971155).

Almost surely, 2^42430392 is an apocalyptic number.

It is an amenable number.

42430392 is an abundant number, since it is smaller than the sum of its proper divisors (76415808).

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

42430392 is a wasteful number, since it uses less digits than its factorization.

42430392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65497 (or 65484 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 42430392 is about 6513.8615275426. The cubic root of 42430392 is about 348.7859761707.

The spelling of 42430392 in words is "forty-two million, four hundred thirty thousand, three hundred ninety-two".