2489755 has 8 divisors (see below), whose sum is σ = 2996352. Its totient is φ = 1986048.

The previous prime is 2489749. The next prime is 2489759. The reversal of 2489755 is 5579842.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2489755 is a prime.

It is a Duffinian 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, 2454 + ... + 3316.

It is an arithmetic number, because the mean of its divisors is an integer number (374544).

2^2489755 is an apocalyptic number.

2489755 is a deficient number, since it is larger than the sum of its proper divisors (506597).

2489755 is an equidigital number, since it uses as much as digits as its factorization.

2489755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445.

The product of its digits is 100800, while the sum is 40.

The square root of 2489755 is about 1577.8957506756. The cubic root of 2489755 is about 135.5352322792.

The spelling of 2489755 in words is "two million, four hundred eighty-nine thousand, seven hundred fifty-five".