42798966 has 16 divisors (see below), whose sum is σ = 97826304. Its totient is φ = 12228264.

The previous prime is 42798953. The next prime is 42798967. The reversal of 42798966 is 66989724.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42798967) 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, 509470 + ... + 509553.

It is an arithmetic number, because the mean of its divisors is an integer number (6114144).

Almost surely, 2^42798966 is an apocalyptic number.

42798966 is an abundant number, since it is smaller than the sum of its proper divisors (55027338).

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

42798966 is a wasteful number, since it uses less digits than its factorization.

42798966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019035.

The product of its digits is 1306368, while the sum is 51.

The square root of 42798966 is about 6542.0918672853. The cubic root of 42798966 is about 349.7929823394.

The spelling of 42798966 in words is "forty-two million, seven hundred ninety-eight thousand, nine hundred sixty-six".