382799986 has 4 divisors (see below), whose sum is σ = 574199982. Its totient is φ = 191399992.

The previous prime is 382799981. The next prime is 382799987. The reversal of 382799986 is 689997283.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 271096225 + 111703761 = 16465^2 + 10569^2 .

It is not an unprimeable number, because it can be changed into a prime (382799981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95699995 + ... + 95699998.

Almost surely, 2^382799986 is an apocalyptic number.

382799986 is a deficient number, since it is larger than the sum of its proper divisors (191399996).

382799986 is a wasteful number, since it uses less digits than its factorization.

382799986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191399995.

The product of its digits is 11757312, while the sum is 61.

The square root of 382799986 is about 19565.2750044562. The cubic root of 382799986 is about 726.0903046479.

The spelling of 382799986 in words is "three hundred eighty-two million, seven hundred ninety-nine thousand, nine hundred eighty-six".