2630240 has 48 divisors (see below), whose sum is σ = 6586272. Its totient is φ = 989184.

The previous prime is 2630239. The next prime is 2630281. The reversal of 2630240 is 420362.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2237 + ... + 3203.

It is an arithmetic number, because the mean of its divisors is an integer number (137214).

2^2630240 is an apocalyptic number.

2630240 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 2630240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3293136).

2630240 is an abundant number, since it is smaller than the sum of its proper divisors (3956032).

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

2630240 is a wasteful number, since it uses less digits than its factorization.

2630240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2630240 is about 1621.8014675046. The cubic root of 2630240 is about 138.0379367800.

The spelling of 2630240 in words is "two million, six hundred thirty thousand, two hundred forty".