386261992 has 16 divisors (see below), whose sum is σ = 730887300. Its totient is φ = 191358720.

The previous prime is 386261989. The next prime is 386261999. The reversal of 386261992 is 299162683.

It can be written as a sum of positive squares in 2 ways, for example, as 358950916 + 27311076 = 18946^2 + 5226^2 .

It is not an unprimeable number, because it can be changed into a prime (386261999) 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, 220609 + ... + 222352.

Almost surely, 2^386261992 is an apocalyptic number.

It is an amenable number.

386261992 is a deficient number, since it is larger than the sum of its proper divisors (344625308).

386261992 is a wasteful number, since it uses less digits than its factorization.

386261992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443076 (or 443072 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 386261992 is about 19653.5490942476. The cubic root of 386261992 is about 728.2726356787.

The spelling of 386261992 in words is "three hundred eighty-six million, two hundred sixty-one thousand, nine hundred ninety-two".