860271390 has 96 divisors (see below), whose sum is σ = 2518843392. Its totient is φ = 201816000.

The previous prime is 860271371. The next prime is 860271397. The reversal of 860271390 is 93172068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860271397) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16675 + ... + 44705.

It is an arithmetic number, because the mean of its divisors is an integer number (26237952).

Almost surely, 2^860271390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860271390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1259421696).

860271390 is an abundant number, since it is smaller than the sum of its proper divisors (1658572002).

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

860271390 is a wasteful number, since it uses less digits than its factorization.

860271390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28086 (or 28083 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 860271390 is about 29330.3833933346. The cubic root of 860271390 is about 951.0685630924.

The spelling of 860271390 in words is "eight hundred sixty million, two hundred seventy-one thousand, three hundred ninety".