379809856 has 28 divisors (see below), whose sum is σ = 786457152. Its totient is φ = 181647488.

The previous prime is 379809853. The next prime is 379809887. The reversal of 379809856 is 658908973.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 379809797 and 379809806.

It is not an unprimeable number, because it can be changed into a prime (379809853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127540 + ... + 130483.

Almost surely, 2^379809856 is an apocalyptic number.

It is an amenable number.

379809856 is an abundant number, since it is smaller than the sum of its proper divisors (406647296).

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

379809856 is a wasteful number, since it uses less digits than its factorization.

379809856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258058 (or 258048 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 379809856 is about 19488.7109886724. The cubic root of 379809856 is about 724.1948134216.

The spelling of 379809856 in words is "three hundred seventy-nine million, eight hundred nine thousand, eight hundred fifty-six".