186480372 has 24 divisors (see below), whose sum is σ = 468592096. Its totient is φ = 57378528.

The previous prime is 186480347. The next prime is 186480373. The reversal of 186480372 is 273084681.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 186480372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186480373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597538 + ... + 597849.

Almost surely, 2^186480372 is an apocalyptic number.

186480372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

186480372 is an abundant number, since it is smaller than the sum of its proper divisors (282111724).

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

186480372 is a wasteful number, since it uses less digits than its factorization.

186480372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195407 (or 1195405 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 186480372 is about 13655.7816327005. The cubic root of 186480372 is about 571.3177392072.

The spelling of 186480372 in words is "one hundred eighty-six million, four hundred eighty thousand, three hundred seventy-two".