698271856 has 40 divisors (see below), whose sum is σ = 1402410240. Its totient is φ = 336583104.

The previous prime is 698271851. The next prime is 698271901. The reversal of 698271856 is 658172896.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698271851) 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, 43455 + ... + 57313.

It is an arithmetic number, because the mean of its divisors is an integer number (35060256).

Almost surely, 2^698271856 is an apocalyptic number.

It is an amenable number.

698271856 is an abundant number, since it is smaller than the sum of its proper divisors (704138384).

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

698271856 is a wasteful number, since it uses less digits than its factorization.

698271856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13981 (or 13975 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The square root of 698271856 is about 26424.8340770571. The cubic root of 698271856 is about 887.1727205871.

The spelling of 698271856 in words is "six hundred ninety-eight million, two hundred seventy-one thousand, eight hundred fifty-six".