856363452 has 48 divisors (see below), whose sum is σ = 2287498752. Its totient is φ = 244261440.

The previous prime is 856363451. The next prime is 856363463. The reversal of 856363452 is 254363658.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856363451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43177 + ... + 59807.

It is an arithmetic number, because the mean of its divisors is an integer number (47656224).

Almost surely, 2^856363452 is an apocalyptic number.

It is an amenable number.

856363452 is an abundant number, since it is smaller than the sum of its proper divisors (1431135300).

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

856363452 is a wasteful number, since it uses less digits than its factorization.

856363452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17258 (or 17256 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The square root of 856363452 is about 29263.6882842884. The cubic root of 856363452 is about 949.6262433700.

The spelling of 856363452 in words is "eight hundred fifty-six million, three hundred sixty-three thousand, four hundred fifty-two".