384279956 has 12 divisors (see below), whose sum is σ = 677328960. Its totient is φ = 190757400.

The previous prime is 384279947. The next prime is 384279983. The reversal of 384279956 is 659972483.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 384279898 and 384279907.

It is a congruent number.

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, 345020 + ... + 346131.

It is an arithmetic number, because the mean of its divisors is an integer number (56444080).

Almost surely, 2^384279956 is an apocalyptic number.

It is an amenable number.

384279956 is a deficient number, since it is larger than the sum of its proper divisors (293049004).

384279956 is a wasteful number, since it uses less digits than its factorization.

384279956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691294 (or 691292 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 53.

The square root of 384279956 is about 19603.0598631948. The cubic root of 384279956 is about 727.0248309650.

The spelling of 384279956 in words is "three hundred eighty-four million, two hundred seventy-nine thousand, nine hundred fifty-six".