2689140 has 24 divisors (see below), whose sum is σ = 7529760. Its totient is φ = 717088.

The previous prime is 2689129. The next prime is 2689151. The reversal of 2689140 is 419862.

It is an interprime number because it is at equal distance from previous prime (2689129) and next prime (2689151).

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

It is a junction number, because it is equal to n+sod(n) for n = 2689098 and 2689107.

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, 22350 + ... + 22469.

It is an arithmetic number, because the mean of its divisors is an integer number (313740).

2^2689140 is an apocalyptic number.

2689140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2689140 is an abundant number, since it is smaller than the sum of its proper divisors (4840620).

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

2689140 is a wasteful number, since it uses less digits than its factorization.

2689140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44831 (or 44829 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2689140 is about 1639.8597501006. The cubic root of 2689140 is about 139.0607191204.

The spelling of 2689140 in words is "two million, six hundred eighty-nine thousand, one hundred forty".