2630940 has 48 divisors (see below), whose sum is σ = 7935648. Its totient is φ = 647424.

The previous prime is 2630923. The next prime is 2630951. The reversal of 2630940 is 490362.

It is a d-powerful number, because it can be written as 2²¹ + 6⁴ + 3³ + 0 + 9⁶ + 4⁵ + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 2630940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907 + ... + 2466.

It is an arithmetic number, because the mean of its divisors is an integer number (165326).

2^2630940 is an apocalyptic number.

2630940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2630940 is an abundant number, since it is smaller than the sum of its proper divisors (5304708).

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

2630940 is a wasteful number, since it uses less digits than its factorization.

2630940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398 (or 3396 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2630940 is about 1622.0172625469. The cubic root of 2630940 is about 138.0501812882.

It can be divided in two parts, 2630 and 940, that added together give a triangular number (3570 = T₈₄).

The spelling of 2630940 in words is "two million, six hundred thirty thousand, nine hundred forty".