2285040 has 40 divisors (see below), whose sum is σ = 7084368. Its totient is φ = 609280.

The previous prime is 2285039. The next prime is 2285047. The reversal of 2285040 is 405822.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2284998 and 2285016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4521 + ... + 5000.

2^2285040 is an apocalyptic number.

2285040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2285040 is an abundant number, since it is smaller than the sum of its proper divisors (4799328).

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

2285040 is a wasteful number, since it uses less digits than its factorization.

2285040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9537 (or 9531 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2285040 is about 1511.6348765492. The cubic root of 2285040 is about 131.7137967972.

The spelling of 2285040 in words is "two million, two hundred eighty-five thousand, forty".