2015280 has 100 divisors (see below), whose sum is σ = 7021872. Its totient is φ = 535680.

The previous prime is 2015269. The next prime is 2015287. The reversal of 2015280 is 825102.

It is a super-2 number, since 2×2015280² = 8122706956800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (2015287) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6325 + ... + 6635.

2^2015280 is an apocalyptic number.

2015280 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 2015280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3510936).

2015280 is an abundant number, since it is smaller than the sum of its proper divisors (5006592).

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

2015280 is a wasteful number, since it uses less digits than its factorization.

2015280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2015280 is about 1419.6055790254. The cubic root of 2015280 is about 126.3121512110.

The spelling of 2015280 in words is "two million, fifteen thousand, two hundred eighty".