2391653 has 8 divisors (see below), whose sum is σ = 2673216. Its totient is φ = 2120800.

The previous prime is 2391637. The next prime is 2391671. The reversal of 2391653 is 3561932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2391653 - 2⁴ = 2391637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201 + ... + 3102.

It is an arithmetic number, because the mean of its divisors is an integer number (334152).

2^2391653 is an apocalyptic number.

It is an amenable number.

2391653 is a deficient number, since it is larger than the sum of its proper divisors (281563).

2391653 is a wasteful number, since it uses less digits than its factorization.

2391653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355.

The product of its digits is 4860, while the sum is 29.

The square root of 2391653 is about 1546.4970093731. The cubic root of 2391653 is about 133.7311942582.

The spelling of 2391653 in words is "two million, three hundred ninety-one thousand, six hundred fifty-three".