2488661 has 6 divisors (see below), whose sum is σ = 2895030. Its totient is φ = 2133096.

The previous prime is 2488609. The next prime is 2488667. The reversal of 2488661 is 1668842.

2488661 = 50² + 51² + ... + 196².

It can be written as a sum of positive squares in only one way, i.e., 1500625 + 988036 = 1225^2 + 994^2 .

It is not a de Polignac number, because 2488661 - 2⁶ = 2488597 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 (2488667) 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 5 ways as a sum of consecutive naturals, for example, 25346 + ... + 25443.

It is an arithmetic number, because the mean of its divisors is an integer number (482505).

2^2488661 is an apocalyptic number.

It is an amenable number.

2488661 is a deficient number, since it is larger than the sum of its proper divisors (406369).

2488661 is an equidigital number, since it uses as much as digits as its factorization.

2488661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50803 (or 50796 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 2488661 is about 1577.5490483659. The cubic root of 2488661 is about 135.5153779472.

The spelling of 2488661 in words is "two million, four hundred eighty-eight thousand, six hundred sixty-one".