2615280 has 80 divisors (see below), whose sum is σ = 8597664. Its totient is φ = 655360.

The previous prime is 2615279. The next prime is 2615281. The reversal of 2615280 is 825162.

It is an interprime number because it is at equal distance from previous prime (2615279) and next prime (2615281).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2615280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2615281) 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, 3760 + ... + 4400.

2^2615280 is an apocalyptic number.

2615280 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 2615280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4298832).

2615280 is an abundant number, since it is smaller than the sum of its proper divisors (5982384).

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

2615280 is a wasteful number, since it uses less digits than its factorization.

2615280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2615280 is about 1617.1827355002. The cubic root of 2615280 is about 137.7757331951.

The spelling of 2615280 in words is "two million, six hundred fifteen thousand, two hundred eighty".