2620140 has 24 divisors (see below), whose sum is σ = 7336560. Its totient is φ = 698688.

The previous prime is 2620139. The next prime is 2620141. The reversal of 2620140 is 410262.

It is an interprime number because it is at equal distance from previous prime (2620139) and next prime (2620141).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21775 + ... + 21894.

It is an arithmetic number, because the mean of its divisors is an integer number (305690).

2^2620140 is an apocalyptic number.

2620140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2620140 is an abundant number, since it is smaller than the sum of its proper divisors (4716420).

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

2620140 is a wasteful number, since it uses less digits than its factorization.

2620140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43681 (or 43679 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2620140 is about 1618.6846511906. The cubic root of 2620140 is about 137.8610237086.

The spelling of 2620140 in words is "two million, six hundred twenty thousand, one hundred forty".