380178236 has 12 divisors (see below), whose sum is σ = 667127328. Its totient is φ = 189570432.

The previous prime is 380178209. The next prime is 380178289. The reversal of 380178236 is 632871083.

It is a happy number.

It is a super-2 number, since 2×380178236² = 289070982256143392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 380178236.

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, 128021 + ... + 130956.

It is an arithmetic number, because the mean of its divisors is an integer number (55593944).

Almost surely, 2^380178236 is an apocalyptic number.

It is an amenable number.

380178236 is a deficient number, since it is larger than the sum of its proper divisors (286949092).

380178236 is a wasteful number, since it uses less digits than its factorization.

380178236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259348 (or 259346 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 380178236 is about 19498.1598106078. The cubic root of 380178236 is about 724.4288714882.

The spelling of 380178236 in words is "three hundred eighty million, one hundred seventy-eight thousand, two hundred thirty-six".