2489977 has 8 divisors (see below), whose sum is σ = 2894400. Its totient is φ = 2097744.

The previous prime is 2489947. The next prime is 2489999. The reversal of 2489977 is 7799842.

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 2489977 - 2⁷ = 2489849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2489947) 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, 2602 + ... + 3427.

It is an arithmetic number, because the mean of its divisors is an integer number (361800).

2^2489977 is an apocalyptic number.

It is an amenable number.

2489977 is a deficient number, since it is larger than the sum of its proper divisors (404423).

2489977 is an equidigital number, since it uses as much as digits as its factorization.

2489977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6095.

The product of its digits is 254016, while the sum is 46.

The square root of 2489977 is about 1577.9660959602. The cubic root of 2489977 is about 135.5392605105.

It can be divided in two parts, 24899 and 77, that added together give a triangular number (24976 = T₂₂₃).

The spelling of 2489977 in words is "two million, four hundred eighty-nine thousand, nine hundred seventy-seven".