2423491 has 6 divisors (see below), whose sum is σ = 2819220. Its totient is φ = 2077236.

The previous prime is 2423489. The next prime is 2423497. The reversal of 2423491 is 1943242.

It is not a de Polignac number, because 2423491 - 2¹ = 2423489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2423497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24681 + ... + 24778.

It is an arithmetic number, because the mean of its divisors is an integer number (469870).

2^2423491 is an apocalyptic number.

2423491 is a deficient number, since it is larger than the sum of its proper divisors (395729).

2423491 is an equidigital number, since it uses as much as digits as its factorization.

2423491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49473 (or 49466 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 2423491 is about 1556.7565641423. The cubic root of 2423491 is about 134.3219961137.

Subtracting from 2423491 its reverse (1943242), we obtain a square (480249 = 693²).

The spelling of 2423491 in words is "two million, four hundred twenty-three thousand, four hundred ninety-one".