2489726 has 4 divisors (see below), whose sum is σ = 3734592. Its totient is φ = 1244862.

The previous prime is 2489719. The next prime is 2489749. The reversal of 2489726 is 6279842.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2489726.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622430 + ... + 622433.

It is an arithmetic number, because the mean of its divisors is an integer number (933648).

2^2489726 is an apocalyptic number.

2489726 is a deficient number, since it is larger than the sum of its proper divisors (1244866).

2489726 is a wasteful number, since it uses less digits than its factorization.

2489726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244865.

The product of its digits is 48384, while the sum is 38.

The square root of 2489726 is about 1577.8865611951. The cubic root of 2489726 is about 135.5347060511.

The spelling of 2489726 in words is "two million, four hundred eighty-nine thousand, seven hundred twenty-six".