2235840 has 112 divisors (see below), whose sum is σ = 7571232. Its totient is φ = 557056.

The previous prime is 2235829. The next prime is 2235841. The reversal of 2235840 is 485322.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 2¹⁴ + 2¹⁸ + 3³ + 5⁹ + 8² + 4⁶ + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 2235840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235841) 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, 16252 + ... + 16388.

2^2235840 is an apocalyptic number.

2235840 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 2235840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3785616).

2235840 is an abundant number, since it is smaller than the sum of its proper divisors (5335392).

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

2235840 is a wasteful number, since it uses less digits than its factorization.

2235840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2235840 is about 1495.2725504068. The cubic root of 2235840 is about 130.7616043818.

The spelling of 2235840 in words is "two million, two hundred thirty-five thousand, eight hundred forty".