2391912 has 48 divisors (see below), whose sum is σ = 6552000. Its totient is φ = 788256.

The previous prime is 2391889. The next prime is 2391937. The reversal of 2391912 is 2191932.

It is a nude number because it is divisible by every one of its digits.

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, 9889 + ... + 10127.

It is an arithmetic number, because the mean of its divisors is an integer number (136500).

2^2391912 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 2391912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3276000).

2391912 is an abundant number, since it is smaller than the sum of its proper divisors (4160088).

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

2391912 is a wasteful number, since it uses less digits than its factorization.

2391912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 383 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 2391912 is about 1546.5807447398. The cubic root of 2391912 is about 133.7360214814.

The spelling of 2391912 in words is "two million, three hundred ninety-one thousand, nine hundred twelve".