2391392 has 12 divisors (see below), whose sum is σ = 4708116. Its totient is φ = 1195680.

The previous prime is 2391349. The next prime is 2391401. The reversal of 2391392 is 2931932.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37334 + ... + 37397.

It is an arithmetic number, because the mean of its divisors is an integer number (392343).

2^2391392 is an apocalyptic number.

It is an amenable number.

2391392 is a deficient number, since it is larger than the sum of its proper divisors (2316724).

2391392 is an equidigital number, since it uses as much as digits as its factorization.

2391392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74741 (or 74733 counting only the distinct ones).

The product of its digits is 2916, while the sum is 29.

The square root of 2391392 is about 1546.4126228145. The cubic root of 2391392 is about 133.7263294065.

The spelling of 2391392 in words is "two million, three hundred ninety-one thousand, three hundred ninety-two".