361899132 has 48 divisors (see below), whose sum is σ = 966024192. Its totient is φ = 103296960.

The previous prime is 361899113. The next prime is 361899163. The reversal of 361899132 is 231998163.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134157 + ... + 136827.

It is an arithmetic number, because the mean of its divisors is an integer number (20125504).

Almost surely, 2^361899132 is an apocalyptic number.

It is an amenable number.

361899132 is an abundant number, since it is smaller than the sum of its proper divisors (604125060).

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

361899132 is a wasteful number, since it uses less digits than its factorization.

361899132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298 (or 4296 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 361899132 is about 19023.6466535730. The cubic root of 361899132 is about 712.6273953797.

The spelling of 361899132 in words is "three hundred sixty-one million, eight hundred ninety-nine thousand, one hundred thirty-two".