860989244 has 12 divisors (see below), whose sum is σ = 1509988704. Its totient is φ = 429563904.

The previous prime is 860989243. The next prime is 860989249. The reversal of 860989244 is 442989068.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 860989192 and 860989201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860989243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230597 + ... + 234300.

It is an arithmetic number, because the mean of its divisors is an integer number (125832392).

Almost surely, 2^860989244 is an apocalyptic number.

It is an amenable number.

860989244 is a deficient number, since it is larger than the sum of its proper divisors (648999460).

860989244 is a wasteful number, since it uses less digits than its factorization.

860989244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465364 (or 465362 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 860989244 is about 29342.6182199203. The cubic root of 860989244 is about 951.3330294640. Note that the first 3 decimals are identical.

The spelling of 860989244 in words is "eight hundred sixty million, nine hundred eighty-nine thousand, two hundred forty-four".