538782966 has 24 divisors (see below), whose sum is σ = 1169518584. Its totient is φ = 179262720.

The previous prime is 538782953. The next prime is 538782973. The reversal of 538782966 is 669287835.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17515 + ... + 37206.

It is an arithmetic number, because the mean of its divisors is an integer number (48729941).

Almost surely, 2^538782966 is an apocalyptic number.

538782966 is an abundant number, since it is smaller than the sum of its proper divisors (630735618).

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

538782966 is a wasteful number, since it uses less digits than its factorization.

538782966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55276 (or 55273 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 538782966 is about 23211.6989037856. The cubic root of 538782966 is about 813.7130584149.

The spelling of 538782966 in words is "five hundred thirty-eight million, seven hundred eighty-two thousand, nine hundred sixty-six".