2499648 has 56 divisors (see below), whose sum is σ = 6778752. Its totient is φ = 812544.

The previous prime is 2499643. The next prime is 2499661. The reversal of 2499648 is 8469942.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2499641) 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, 8886 + ... + 9162.

2^2499648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2499648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389376).

2499648 is an abundant number, since it is smaller than the sum of its proper divisors (4279104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2499648 is a wasteful number, since it uses less digits than its factorization.

2499648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 329 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 2499648 is about 1581.0275139921. The cubic root of 2499648 is about 135.7145106974.

The spelling of 2499648 in words is "two million, four hundred ninety-nine thousand, six hundred forty-eight".