2679040 has 144 divisors (see below), whose sum is σ = 8241408. Its totient is φ = 811008.

The previous prime is 2679037. The next prime is 2679041. The reversal of 2679040 is 409762.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2679041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116469 + ... + 116491.

It is an arithmetic number, because the mean of its divisors is an integer number (57232).

2^2679040 is an apocalyptic number.

2679040 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 2679040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4120704).

2679040 is an abundant number, since it is smaller than the sum of its proper divisors (5562368).

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

2679040 is a wasteful number, since it uses less digits than its factorization.

2679040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2679040 is about 1636.7773214460. Note that the first 3 decimals coincide. The cubic root of 2679040 is about 138.8864037481.

The spelling of 2679040 in words is "two million, six hundred seventy-nine thousand, forty".