2493660 has 96 divisors (see below), whose sum is σ = 7902720. Its totient is φ = 582912.

The previous prime is 2493653. The next prime is 2493707. The reversal of 2493660 is 663942.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17871 + ... + 18009.

It is an arithmetic number, because the mean of its divisors is an integer number (82320).

2^2493660 is an apocalyptic number.

2493660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2493660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3951360).

2493660 is an abundant number, since it is smaller than the sum of its proper divisors (5409060).

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

2493660 is a wasteful number, since it uses less digits than its factorization.

2493660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2493660 is about 1579.1326733369. The cubic root of 2493660 is about 135.6060543237.

The spelling of 2493660 in words is "two million, four hundred ninety-three thousand, six hundred sixty".