2280620 has 12 divisors (see below), whose sum is σ = 4789344. Its totient is φ = 912240.

The previous prime is 2280587. The next prime is 2280623. The reversal of 2280620 is 260822.

2280620 = 219² + 220² + ... + 258².

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 114031 = 2280620 / (2 + 2 + 8 + 0 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2280592 and 2280601.

It is not an unprimeable number, because it can be changed into a prime (2280623) 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, 56996 + ... + 57035.

It is an arithmetic number, because the mean of its divisors is an integer number (399112).

2^2280620 is an apocalyptic number.

2280620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2280620 is an abundant number, since it is smaller than the sum of its proper divisors (2508724).

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

2280620 is a wasteful number, since it uses less digits than its factorization.

2280620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114040 (or 114038 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2280620 is about 1510.1721756144. The cubic root of 2280620 is about 131.6288164093.

The spelling of 2280620 in words is "two million, two hundred eighty thousand, six hundred twenty".