863794371 has 64 divisors (see below), whose sum is σ = 1354890240. Its totient is φ = 484323840.

The previous prime is 863794367. The next prime is 863794403. The reversal of 863794371 is 173497368.

It is not a de Polignac number, because 863794371 - 2² = 863794367 is a prime.

It is a super-2 number, since 2×863794371² = 1492281430742571282, 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 863794371.

It is not an unprimeable number, because it can be changed into a prime (863794471) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 4384645 + ... + 4384841.

It is an arithmetic number, because the mean of its divisors is an integer number (21170160).

Almost surely, 2^863794371 is an apocalyptic number.

863794371 is a deficient number, since it is larger than the sum of its proper divisors (491095869).

863794371 is a wasteful number, since it uses less digits than its factorization.

863794371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its digits is 762048, while the sum is 48.

The square root of 863794371 is about 29390.3788849344. The cubic root of 863794371 is about 952.3650659981.

The spelling of 863794371 in words is "eight hundred sixty-three million, seven hundred ninety-four thousand, three hundred seventy-one".