860356398 has 64 divisors (see below), whose sum is σ = 1960485120. Its totient is φ = 249312000.

The previous prime is 860356379. The next prime is 860356403. The reversal of 860356398 is 893653068.

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 31 ways as a sum of consecutive naturals, for example, 202698 + ... + 206898.

It is an arithmetic number, because the mean of its divisors is an integer number (30632580).

Almost surely, 2^860356398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860356398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980242560).

860356398 is an abundant number, since it is smaller than the sum of its proper divisors (1100128722).

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

860356398 is a wasteful number, since it uses less digits than its factorization.

860356398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 860356398 is about 29331.8325032719. The cubic root of 860356398 is about 951.0998887781.

The spelling of 860356398 in words is "eight hundred sixty million, three hundred fifty-six thousand, three hundred ninety-eight".