361891112 has 16 divisors (see below), whose sum is σ = 740232000. Its totient is φ = 164495920.

The previous prime is 361891111. The next prime is 361891141. The reversal of 361891112 is 211198163.

It is not an unprimeable number, because it can be changed into a prime (361891111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2056112 + ... + 2056287.

It is an arithmetic number, because the mean of its divisors is an integer number (46264500).

Almost surely, 2^361891112 is an apocalyptic number.

It is an amenable number.

361891112 is an abundant number, since it is smaller than the sum of its proper divisors (378340888).

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

361891112 is a wasteful number, since it uses less digits than its factorization.

361891112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112416 (or 4112412 counting only the distinct ones).

The product of its digits is 2592, while the sum is 32.

The square root of 361891112 is about 19023.4358621149. The cubic root of 361891112 is about 712.6221311929.

The spelling of 361891112 in words is "three hundred sixty-one million, eight hundred ninety-one thousand, one hundred twelve".