386720132 has 6 divisors (see below), whose sum is σ = 676760238. Its totient is φ = 193360064.

The previous prime is 386720123. The next prime is 386720143. The reversal of 386720132 is 231027683.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 247621696 + 139098436 = 15736^2 + 11794^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48340013 + ... + 48340020.

It is an arithmetic number, because the mean of its divisors is an integer number (112793373).

Almost surely, 2^386720132 is an apocalyptic number.

It is an amenable number.

386720132 is a deficient number, since it is larger than the sum of its proper divisors (290040106).

386720132 is a wasteful number, since it uses less digits than its factorization.

386720132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96680037 (or 96680035 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 386720132 is about 19665.2010414336. The cubic root of 386720132 is about 728.5604532793.

The spelling of 386720132 in words is "three hundred eighty-six million, seven hundred twenty thousand, one hundred thirty-two".