2391592 has 24 divisors (see below), whose sum is σ = 5217210. Its totient is φ = 1024800.

The previous prime is 2391589. The next prime is 2391629. The reversal of 2391592 is 2951932.

It can be written as a sum of positive squares in only one way, i.e., 1920996 + 470596 = 1386^2 + 686^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2659 + ... + 3442.

2^2391592 is an apocalyptic number.

It is an amenable number.

2391592 is an abundant number, since it is smaller than the sum of its proper divisors (2825618).

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

2391592 is a wasteful number, since it uses less digits than its factorization.

2391592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121 (or 6110 counting only the distinct ones).

The product of its digits is 4860, while the sum is 31.

The square root of 2391592 is about 1546.4772872564. The cubic root of 2391592 is about 133.7300572939.

The spelling of 2391592 in words is "two million, three hundred ninety-one thousand, five hundred ninety-two".