863949354 has 32 divisors (see below), whose sum is σ = 1801336320. Its totient is φ = 275928000.

The previous prime is 863949349. The next prime is 863949397. The reversal of 863949354 is 453949368.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 863949297 and 863949306.

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 15 ways as a sum of consecutive naturals, for example, 4209 + ... + 41780.

It is an arithmetic number, because the mean of its divisors is an integer number (56291760).

Almost surely, 2^863949354 is an apocalyptic number.

863949354 is an abundant number, since it is smaller than the sum of its proper divisors (937386966).

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

863949354 is a wasteful number, since it uses less digits than its factorization.

863949354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46126.

The product of its digits is 2799360, while the sum is 51.

The square root of 863949354 is about 29393.0153948179. The cubic root of 863949354 is about 952.4220207447.

The spelling of 863949354 in words is "eight hundred sixty-three million, nine hundred forty-nine thousand, three hundred fifty-four".