2393489 has 4 divisors (see below), whose sum is σ = 2735424. Its totient is φ = 2051556.

The previous prime is 2393473. The next prime is 2393497. The reversal of 2393489 is 9843932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2393489 - 2⁴ = 2393473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2393189) 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, 170957 + ... + 170970.

It is an arithmetic number, because the mean of its divisors is an integer number (683856).

2^2393489 is an apocalyptic number.

It is an amenable number.

2393489 is a deficient number, since it is larger than the sum of its proper divisors (341935).

2393489 is an equidigital number, since it uses as much as digits as its factorization.

2393489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341934.

The product of its digits is 46656, while the sum is 38.

The square root of 2393489 is about 1547.0904950907. The cubic root of 2393489 is about 133.7654059757.

It can be divided in two parts, 2393 and 489, that added together give a palindrome (2882).

The spelling of 2393489 in words is "two million, three hundred ninety-three thousand, four hundred eighty-nine".