2391296 has 18 divisors (see below), whose sum is σ = 4773762. Its totient is φ = 1195520.

The previous prime is 2391293. The next prime is 2391331. The reversal of 2391296 is 6921932.

It can be written as a sum of positive squares in only one way, i.e., 1849600 + 541696 = 1360^2 + 736^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4415 + ... + 4926.

It is an arithmetic number, because the mean of its divisors is an integer number (265209).

2^2391296 is an apocalyptic number.

It is an amenable number.

2391296 is a deficient number, since it is larger than the sum of its proper divisors (2382466).

2391296 is an frugal number, since it uses more digits than its factorization.

2391296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9357 (or 9343 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 2391296 is about 1546.3815829219. The cubic root of 2391296 is about 133.7245399467.

It can be divided in two parts, 23 and 91296, that added together give a palindrome (91319).

The spelling of 2391296 in words is "two million, three hundred ninety-one thousand, two hundred ninety-six".