380992538 has 4 divisors (see below), whose sum is σ = 571488810. Its totient is φ = 190496268.

The previous prime is 380992489. The next prime is 380992607. The reversal of 380992538 is 835299083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835299083 = 467 ⋅1788649.

It can be written as a sum of positive squares in only one way, i.e., 330766969 + 50225569 = 18187^2 + 7087^2 .

It is a junction number, because it is equal to n+sod(n) for n = 380992492 and 380992501.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95248133 + ... + 95248136.

Almost surely, 2^380992538 is an apocalyptic number.

380992538 is a deficient number, since it is larger than the sum of its proper divisors (190496272).

380992538 is a wasteful number, since it uses less digits than its factorization.

380992538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190496271.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 380992538 is about 19519.0301500869. The cubic root of 380992538 is about 724.9457195985.

The spelling of 380992538 in words is "three hundred eighty million, nine hundred ninety-two thousand, five hundred thirty-eight".