618230872 has 16 divisors (see below), whose sum is σ = 1324780560. Its totient is φ = 264956064.

The previous prime is 618230831. The next prime is 618230927. The reversal of 618230872 is 278032816.

It is a super-2 number, since 2×618230872² = 764418822187760768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5519863 + ... + 5519974.

It is an arithmetic number, because the mean of its divisors is an integer number (82798785).

Almost surely, 2^618230872 is an apocalyptic number.

It is an amenable number.

618230872 is an abundant number, since it is smaller than the sum of its proper divisors (706549688).

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

618230872 is a wasteful number, since it uses less digits than its factorization.

618230872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11039850 (or 11039846 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 618230872 is about 24864.2488726283. The cubic root of 618230872 is about 851.8900833171.

The spelling of 618230872 in words is "six hundred eighteen million, two hundred thirty thousand, eight hundred seventy-two".