361399984 has 40 divisors (see below), whose sum is σ = 788520960. Its totient is φ = 158971200.

The previous prime is 361399937. The next prime is 361400021. The reversal of 361399984 is 489993163.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27664 + ... + 38575.

It is an arithmetic number, because the mean of its divisors is an integer number (19713024).

Almost surely, 2^361399984 is an apocalyptic number.

It is an amenable number.

361399984 is an abundant number, since it is smaller than the sum of its proper divisors (427120976).

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

361399984 is a wasteful number, since it uses less digits than its factorization.

361399984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66289 (or 66283 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 52.

The square root of 361399984 is about 19010.5229807073. The cubic root of 361399984 is about 712.2996150963.

The spelling of 361399984 in words is "three hundred sixty-one million, three hundred ninety-nine thousand, nine hundred eighty-four".