863446452 has 24 divisors (see below), whose sum is σ = 2197864032. Its totient is φ = 261650400.

The previous prime is 863446421. The next prime is 863446489. The reversal of 863446452 is 254644368.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3270499 + ... + 3270762.

It is an arithmetic number, because the mean of its divisors is an integer number (91577668).

Almost surely, 2^863446452 is an apocalyptic number.

It is an amenable number.

863446452 is an abundant number, since it is smaller than the sum of its proper divisors (1334417580).

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

863446452 is a wasteful number, since it uses less digits than its factorization.

863446452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541279 (or 6541277 counting only the distinct ones).

The product of its digits is 552960, while the sum is 42.

The square root of 863446452 is about 29384.4593620505. The cubic root of 863446452 is about 952.2371843290.

The spelling of 863446452 in words is "eight hundred sixty-three million, four hundred forty-six thousand, four hundred fifty-two".