386799232 has 64 divisors (see below), whose sum is σ = 822069000. Its totient is φ = 180649984.

The previous prime is 386799229. The next prime is 386799277. The reversal of 386799232 is 232997683.

It can be written as a sum of positive squares in 4 ways, for example, as 311734336 + 75064896 = 17656^2 + 8664^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×386799232² = 299227291751579648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323628 + ... + 324820.

Almost surely, 2^386799232 is an apocalyptic number.

386799232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386799232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411034500).

386799232 is an abundant number, since it is smaller than the sum of its proper divisors (435269768).

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

386799232 is a wasteful number, since it uses less digits than its factorization.

386799232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1361 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The square root of 386799232 is about 19667.2121054307. The cubic root of 386799232 is about 728.6101233106.

The spelling of 386799232 in words is "three hundred eighty-six million, seven hundred ninety-nine thousand, two hundred thirty-two".