861655348 has 24 divisors (see below), whose sum is σ = 1575016128. Its totient is φ = 411687936.

The previous prime is 861655321. The next prime is 861655349. The reversal of 861655348 is 843556168.

It is a super-2 number, since 2×861655348² = 1484899877474002208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 861655298 and 861655307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861655349) 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, 102015 + ... + 110137.

It is an arithmetic number, because the mean of its divisors is an integer number (65625672).

Almost surely, 2^861655348 is an apocalyptic number.

It is an amenable number.

861655348 is a deficient number, since it is larger than the sum of its proper divisors (713360780).

861655348 is a wasteful number, since it uses less digits than its factorization.

861655348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9303 (or 9301 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The square root of 861655348 is about 29353.9664781440. The cubic root of 861655348 is about 951.5782990357.

The spelling of 861655348 in words is "eight hundred sixty-one million, six hundred fifty-five thousand, three hundred forty-eight".