2391396 has 60 divisors (see below), whose sum is σ = 6587952. Its totient is φ = 675024.

The previous prime is 2391349. The next prime is 2391401. The reversal of 2391396 is 6931932.

2391396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28771 + ... + 28853.

2^2391396 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 2391396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3293976).

2391396 is an abundant number, since it is smaller than the sum of its proper divisors (4196556).

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

2391396 is an equidigital number, since it uses as much as digits as its factorization.

2391396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 95 counting only the distinct ones).

The product of its digits is 8748, while the sum is 33.

The square root of 2391396 is about 1546.4139161298. The cubic root of 2391396 is about 133.7264039663.

It can be divided in two parts, 23 and 91396, that added together give a palindrome (91419).

The spelling of 2391396 in words is "two million, three hundred ninety-one thousand, three hundred ninety-six".