2391363 has 24 divisors (see below), whose sum is σ = 3862768. Its totient is φ = 1469664.

The previous prime is 2391349. The next prime is 2391401. The reversal of 2391363 is 3631932.

2391363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2391363 - 2⁵ = 2391331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 3 and base 9.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391863) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2781 + ... + 3537.

2^2391363 is an apocalyptic number.

2391363 is a deficient number, since it is larger than the sum of its proper divisors (1471405).

2391363 is an equidigital number, since it uses as much as digits as its factorization.

2391363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 773 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 2391363 is about 1546.4032462459. The cubic root of 2391363 is about 133.7257888455.

The spelling of 2391363 in words is "two million, three hundred ninety-one thousand, three hundred sixty-three".