2391136 has 24 divisors (see below), whose sum is σ = 5136264. Its totient is φ = 1086720.

The previous prime is 2391127. The next prime is 2391157. The reversal of 2391136 is 6311932.

It is a self number, because there is not a number n which added to its sum of digits gives 2391136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3045 + ... + 3748.

It is an arithmetic number, because the mean of its divisors is an integer number (214011).

2^2391136 is an apocalyptic number.

It is an amenable number.

2391136 is an abundant number, since it is smaller than the sum of its proper divisors (2745128).

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

2391136 is a wasteful number, since it uses less digits than its factorization.

2391136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814 (or 6806 counting only the distinct ones).

The product of its digits is 972, while the sum is 25.

The square root of 2391136 is about 1546.3298483829. The cubic root of 2391136 is about 133.7215574073.

It can be divided in two parts, 23 and 91136, that multiplied together give a triangular number (2096128 = T₂₀₄₇).

The spelling of 2391136 in words is "two million, three hundred ninety-one thousand, one hundred thirty-six".