2489877 has 18 divisors (see below), whose sum is σ = 3896802. Its totient is φ = 1531296.

The previous prime is 2489873. The next prime is 2489881. The reversal of 2489877 is 7789842.

It is an interprime number because it is at equal distance from previous prime (2489873) and next prime (2489881).

It can be written as a sum of positive squares in 3 ways, for example, as 221841 + 2268036 = 471^2 + 1506^2 .

It is not a de Polignac number, because 2489877 - 2² = 2489873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489873) 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 17 ways as a sum of consecutive naturals, for example, 703 + ... + 2339.

It is an arithmetic number, because the mean of its divisors is an integer number (216489).

2^2489877 is an apocalyptic number.

It is an amenable number.

2489877 is a deficient number, since it is larger than the sum of its proper divisors (1406925).

2489877 is a wasteful number, since it uses less digits than its factorization.

2489877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1653 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 2489877 is about 1577.9344092832. The cubic root of 2489877 is about 135.5374460215.

The spelling of 2489877 in words is "two million, four hundred eighty-nine thousand, eight hundred seventy-seven".