2648989 has 8 divisors (see below), whose sum is σ = 3089600. Its totient is φ = 2270268.

The previous prime is 2648963. The next prime is 2649001. The reversal of 2648989 is 9898462.

It is not a de Polignac number, because 2648989 - 2⁷ = 2648861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648909) 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, 3519 + ... + 4204.

It is an arithmetic number, because the mean of its divisors is an integer number (386200).

2^2648989 is an apocalyptic number.

It is an amenable number.

2648989 is a deficient number, since it is larger than the sum of its proper divisors (440611).

2648989 is an frugal number, since it uses more digits than its factorization.

2648989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7744 (or 7730 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 2648989 is about 1627.5715038056. The cubic root of 2648989 is about 138.3651500178.

The spelling of 2648989 in words is "two million, six hundred forty-eight thousand, nine hundred eighty-nine".