867855452 has 24 divisors (see below), whose sum is σ = 1529472672. Its totient is φ = 430875200.

The previous prime is 867855427. The next prime is 867855497. The reversal of 867855452 is 254558768.

It is a super-2 number, since 2×867855452² = 1506346171132248608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 867855452.

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, 363302 + ... + 365682.

It is an arithmetic number, because the mean of its divisors is an integer number (63728028).

Almost surely, 2^867855452 is an apocalyptic number.

It is an amenable number.

867855452 is a deficient number, since it is larger than the sum of its proper divisors (661617220).

867855452 is a wasteful number, since it uses less digits than its factorization.

867855452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989 (or 2987 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 50.

The square root of 867855452 is about 29459.3864837678. The cubic root of 867855452 is about 953.8552301833.

The spelling of 867855452 in words is "eight hundred sixty-seven million, eight hundred fifty-five thousand, four hundred fifty-two".