42798830 has 16 divisors (see below), whose sum is σ = 81092880. Its totient is φ = 16218432.

The previous prime is 42798827. The next prime is 42798857. The reversal of 42798830 is 3889724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112439 + ... + 112818.

It is an arithmetic number, because the mean of its divisors is an integer number (5068305).

Almost surely, 2^42798830 is an apocalyptic number.

42798830 is a deficient number, since it is larger than the sum of its proper divisors (38294050).

42798830 is a wasteful number, since it uses less digits than its factorization.

42798830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225283.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 42798830 is about 6542.0814730482. The cubic root of 42798830 is about 349.7926118329.

The spelling of 42798830 in words is "forty-two million, seven hundred ninety-eight thousand, eight hundred thirty".