2498661 has 32 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 1473840.

The previous prime is 2498659. The next prime is 2498689. The reversal of 2498661 is 1668942.

It is not a de Polignac number, because 2498661 - 2¹ = 2498659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2498641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13870 + ... + 14048.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2^2498661 is an apocalyptic number.

It is an amenable number.

2498661 is a deficient number, since it is larger than the sum of its proper divisors (1648539).

2498661 is a wasteful number, since it uses less digits than its factorization.

2498661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 240 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 2498661 is about 1580.7153443932. The cubic root of 2498661 is about 135.6966458012.

The spelling of 2498661 in words is "two million, four hundred ninety-eight thousand, six hundred sixty-one".