2391936 has 32 divisors (see below), whose sum is σ = 6354600. Its totient is φ = 797184.

The previous prime is 2391889. The next prime is 2391937. The reversal of 2391936 is 6391932.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 2391897 and 2391906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2731 + ... + 3498.

2^2391936 is an apocalyptic number.

It is an amenable number.

2391936 is an abundant number, since it is smaller than the sum of its proper divisors (3962664).

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

2391936 is an equidigital number, since it uses as much as digits as its factorization.

2391936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246 (or 6234 counting only the distinct ones).

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

The square root of 2391936 is about 1546.5885037721. The cubic root of 2391936 is about 133.7364687741.

The spelling of 2391936 in words is "two million, three hundred ninety-one thousand, nine hundred thirty-six".