380513668 has 12 divisors (see below), whose sum is σ = 675021340. Its totient is φ = 187650432.

The previous prime is 380513663. The next prime is 380513677. The reversal of 380513668 is 866315083.

It can be written as a sum of positive squares in 2 ways, for example, as 77475204 + 303038464 = 8802^2 + 17408^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 380513668.

It is not an unprimeable number, because it can be changed into a prime (380513663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651273 + ... + 651856.

Almost surely, 2^380513668 is an apocalyptic number.

It is an amenable number.

380513668 is a deficient number, since it is larger than the sum of its proper divisors (294507672).

380513668 is a wasteful number, since it uses less digits than its factorization.

380513668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303206 (or 1303204 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 380513668 is about 19506.7595463726. The cubic root of 380513668 is about 724.6418638619.

The spelling of 380513668 in words is "three hundred eighty million, five hundred thirteen thousand, six hundred sixty-eight".