919793856 has 28 divisors (see below), whose sum is σ = 2433621752. Its totient is φ = 306597888.

The previous prime is 919793821. The next prime is 919793863. The reversal of 919793856 is 658397919.

It is a junction number, because it is equal to n+sod(n) for n = 919793796 and 919793805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2395105 + ... + 2395488.

Almost surely, 2^919793856 is an apocalyptic number.

919793856 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

919793856 is an abundant number, since it is smaller than the sum of its proper divisors (1513827896).

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

919793856 is a wasteful number, since it uses less digits than its factorization.

919793856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790608 (or 4790598 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 57.

The square root of 919793856 is about 30328.1034026198. The cubic root of 919793856 is about 972.5161782740.

The spelling of 919793856 in words is "nine hundred nineteen million, seven hundred ninety-three thousand, eight hundred fifty-six".