860626944 has 140 divisors (see below), whose sum is σ = 2573081214. Its totient is φ = 286654464.

The previous prime is 860626937. The next prime is 860626961. The reversal of 860626944 is 449626068.

It can be written as a sum of positive squares in only one way, i.e., 454201344 + 406425600 = 21312^2 + 20160^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 860626944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 662904 + ... + 664200.

Almost surely, 2^860626944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860626944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286540607).

860626944 is an abundant number, since it is smaller than the sum of its proper divisors (1712454270).

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

860626944 is an equidigital number, since it uses as much as digits as its factorization.

860626944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 860626944 is about 29336.4439562807. The cubic root of 860626944 is about 951.1995720040.

The spelling of 860626944 in words is "eight hundred sixty million, six hundred twenty-six thousand, nine hundred forty-four".