2618040 has 32 divisors (see below), whose sum is σ = 7854480. Its totient is φ = 698112.

The previous prime is 2618039. The next prime is 2618047. The reversal of 2618040 is 408162.

It is a junction number, because it is equal to n+sod(n) for n = 2617998 and 2618016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2618047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10789 + ... + 11028.

2^2618040 is an apocalyptic number.

2618040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2618040 is an abundant number, since it is smaller than the sum of its proper divisors (5236440).

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

2618040 is a wasteful number, since it uses less digits than its factorization.

2618040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21831 (or 21827 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2618040 is about 1618.0358463273. The cubic root of 2618040 is about 137.8241827345.

The spelling of 2618040 in words is "two million, six hundred eighteen thousand, forty".