2488649 has 4 divisors (see below), whose sum is σ = 2568960. Its totient is φ = 2408340.

The previous prime is 2488609. The next prime is 2488667. The reversal of 2488649 is 9468842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2488649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2488609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40109 + ... + 40170.

It is an arithmetic number, because the mean of its divisors is an integer number (642240).

2^2488649 is an apocalyptic number.

It is an amenable number.

2488649 is a deficient number, since it is larger than the sum of its proper divisors (80311).

2488649 is an equidigital number, since it uses as much as digits as its factorization.

2488649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80310.

The product of its digits is 110592, while the sum is 41.

The square root of 2488649 is about 1577.5452449930. The cubic root of 2488649 is about 135.5151601344.

The spelling of 2488649 in words is "two million, four hundred eighty-eight thousand, six hundred forty-nine".