2285920 has 96 divisors (see below), whose sum is σ = 6689088. Its totient is φ = 718848.

The previous prime is 2285917. The next prime is 2285929. The reversal of 2285920 is 295822.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

2285920 is a Rhonda number in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285929) 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, 14482 + ... + 14638.

It is an arithmetic number, because the mean of its divisors is an integer number (69678).

2^2285920 is an apocalyptic number.

2285920 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 2285920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3344544).

2285920 is an abundant number, since it is smaller than the sum of its proper divisors (4403168).

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

2285920 is a wasteful number, since it uses less digits than its factorization.

2285920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2285920 is about 1511.9259241114. The cubic root of 2285920 is about 131.7307028857.

The spelling of 2285920 in words is "two million, two hundred eighty-five thousand, nine hundred twenty".