2283864 has 64 divisors (see below), whose sum is σ = 6410880. Its totient is φ = 672000.

The previous prime is 2283851. The next prime is 2283881. The reversal of 2283864 is 4683822.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10719 + ... + 10929.

It is an arithmetic number, because the mean of its divisors is an integer number (100170).

2^2283864 is an apocalyptic number.

2283864 is a gapful number since it is divisible by the number (24) 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 2283864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3205440).

2283864 is an abundant number, since it is smaller than the sum of its proper divisors (4127016).

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

2283864 is a wasteful number, since it uses less digits than its factorization.

2283864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 268 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 2283864 is about 1511.2458436667. The cubic root of 2283864 is about 131.6911973380.

The spelling of 2283864 in words is "two million, two hundred eighty-three thousand, eight hundred sixty-four".