380647236 has 12 divisors (see below), whose sum is σ = 888176912. Its totient is φ = 126882408.

The previous prime is 380647199. The next prime is 380647247. The reversal of 380647236 is 632746083.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 380647194 and 380647203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15860290 + ... + 15860313.

Almost surely, 2^380647236 is an apocalyptic number.

It is an amenable number.

380647236 is an abundant number, since it is smaller than the sum of its proper divisors (507529676).

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

380647236 is a wasteful number, since it uses less digits than its factorization.

380647236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31720610 (or 31720608 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 380647236 is about 19510.1828797169. The cubic root of 380647236 is about 724.7266419306.

The spelling of 380647236 in words is "three hundred eighty million, six hundred forty-seven thousand, two hundred thirty-six".