386869532 has 24 divisors (see below), whose sum is σ = 777638400. Its totient is φ = 164965680.

The previous prime is 386869513. The next prime is 386869537. The reversal of 386869532 is 235968683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386869537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29144 + ... + 40287.

It is an arithmetic number, because the mean of its divisors is an integer number (32401600).

Almost surely, 2^386869532 is an apocalyptic number.

It is an amenable number.

386869532 is an abundant number, since it is smaller than the sum of its proper divisors (390768868).

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

386869532 is a wasteful number, since it uses less digits than its factorization.

386869532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69641 (or 69639 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 386869532 is about 19668.9992627993. Note that the first 3 decimals coincide. The cubic root of 386869532 is about 728.6542617892.

The spelling of 386869532 in words is "three hundred eighty-six million, eight hundred sixty-nine thousand, five hundred thirty-two".