391364112 has 60 divisors (see below), whose sum is σ = 1033272656. Its totient is φ = 127644480.

The previous prime is 391364101. The next prime is 391364131. The reversal of 391364112 is 211463193.

It is a self number, because there is not a number n which added to its sum of digits gives 391364112.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104187 + ... + 107877.

Almost surely, 2^391364112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 391364112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516636328).

391364112 is an abundant number, since it is smaller than the sum of its proper divisors (641908544).

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

391364112 is a wasteful number, since it uses less digits than its factorization.

391364112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796 (or 3743 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 391364112 is about 19782.9247584881. The cubic root of 391364112 is about 731.4651950772.

The spelling of 391364112 in words is "three hundred ninety-one million, three hundred sixty-four thousand, one hundred twelve".