2280399 has 16 divisors (see below), whose sum is σ = 3492480. Its totient is φ = 1308960.

The previous prime is 2280367. The next prime is 2280401. The reversal of 2280399 is 9930822.

It is not a de Polignac number, because 2280399 - 2⁵ = 2280367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192 + ... + 2445.

It is an arithmetic number, because the mean of its divisors is an integer number (218280).

2^2280399 is an apocalyptic number.

2280399 is a deficient number, since it is larger than the sum of its proper divisors (1212081).

2280399 is a wasteful number, since it uses less digits than its factorization.

2280399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2280399 is about 1510.0990033769. The cubic root of 2280399 is about 131.6245645088.

Adding to 2280399 its reverse (9930822), we get a palindrome (12211221).

The spelling of 2280399 in words is "two million, two hundred eighty thousand, three hundred ninety-nine".