2497439 has 8 divisors (see below), whose sum is σ = 2915328. Its totient is φ = 2094840.

The previous prime is 2497423. The next prime is 2497447. The reversal of 2497439 is 9347942.

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

It is a cyclic number.

It is not a de Polignac number, because 2497439 - 2⁴ = 2497423 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 (2497489) 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 7 ways as a sum of consecutive naturals, for example, 3467 + ... + 4124.

It is an arithmetic number, because the mean of its divisors is an integer number (364416).

2^2497439 is an apocalyptic number.

2497439 is a deficient number, since it is larger than the sum of its proper divisors (417889).

2497439 is an equidigital number, since it uses as much as digits as its factorization.

2497439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645.

The product of its digits is 54432, while the sum is 38.

The square root of 2497439 is about 1580.3287632642. The cubic root of 2497439 is about 135.6745208390.

The spelling of 2497439 in words is "two million, four hundred ninety-seven thousand, four hundred thirty-nine".