2616280 has 16 divisors (see below), whose sum is σ = 5886720. Its totient is φ = 1046496.

The previous prime is 2616277. The next prime is 2616287. The reversal of 2616280 is 826162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2616287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32664 + ... + 32743.

It is an arithmetic number, because the mean of its divisors is an integer number (367920).

2^2616280 is an apocalyptic number.

2616280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2616280 is an abundant number, since it is smaller than the sum of its proper divisors (3270440).

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

2616280 is a wasteful number, since it uses less digits than its factorization.

2616280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65418 (or 65414 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2616280 is about 1617.4918856056. The cubic root of 2616280 is about 137.7932913121.

The spelling of 2616280 in words is "two million, six hundred sixteen thousand, two hundred eighty".