2489757 has 8 divisors (see below), whose sum is σ = 3366720. Its totient is φ = 1636320.

The previous prime is 2489749. The next prime is 2489759. The reversal of 2489757 is 7579842.

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

It is not a de Polignac number, because 2489757 - 2³ = 2489749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5632 + ... + 6057.

It is an arithmetic number, because the mean of its divisors is an integer number (420840).

2^2489757 is an apocalyptic number.

It is an amenable number.

2489757 is a deficient number, since it is larger than the sum of its proper divisors (876963).

2489757 is a wasteful number, since it uses less digits than its factorization.

2489757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11763.

The product of its digits is 141120, while the sum is 42.

The square root of 2489757 is about 1577.8963844309. The cubic root of 2489757 is about 135.5352685706.

The spelling of 2489757 in words is "two million, four hundred eighty-nine thousand, seven hundred fifty-seven".