380199636 has 48 divisors (see below), whose sum is σ = 1008638400. Its totient is φ = 123784416.

The previous prime is 380199623. The next prime is 380199667. The reversal of 380199636 is 636991083.

380199636 is a `hidden beast` number, since 3 + 8 + 0 + 1 + 9 + 9 + 636 = 666.

380199636 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 380199591 and 380199600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36291 + ... + 45578.

It is an arithmetic number, because the mean of its divisors is an integer number (21013300).

Almost surely, 2^380199636 is an apocalyptic number.

380199636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

380199636 is an abundant number, since it is smaller than the sum of its proper divisors (628438764).

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

380199636 is a wasteful number, since it uses less digits than its factorization.

380199636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81925 (or 81917 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 380199636 is about 19498.7085726209. The cubic root of 380199636 is about 724.4424637856.

The spelling of 380199636 in words is "three hundred eighty million, one hundred ninety-nine thousand, six hundred thirty-six".