2489397 has 16 divisors (see below), whose sum is σ = 3498432. Its totient is φ = 1572480.

The previous prime is 2489381. The next prime is 2489411. The reversal of 2489397 is 7939842.

It is not a de Polignac number, because 2489397 - 2⁴ = 2489381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4278 + ... + 4824.

It is an arithmetic number, because the mean of its divisors is an integer number (218652).

2^2489397 is an apocalyptic number.

It is an amenable number.

2489397 is a deficient number, since it is larger than the sum of its proper divisors (1009035).

2489397 is a wasteful number, since it uses less digits than its factorization.

2489397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628.

The product of its digits is 108864, while the sum is 42.

The square root of 2489397 is about 1577.7823043754. The cubic root of 2489397 is about 135.5287357981.

The spelling of 2489397 in words is "two million, four hundred eighty-nine thousand, three hundred ninety-seven".