2263680 has 128 divisors (see below), whose sum is σ = 8078400. Its totient is φ = 599040.

The previous prime is 2263643. The next prime is 2263687. The reversal of 2263680 is 863622.

2263680 is a `hidden beast` number, since 22 + 636 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263687) 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, 17215 + ... + 17345.

2^2263680 is an apocalyptic number.

2263680 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 2263680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4039200).

2263680 is an abundant number, since it is smaller than the sum of its proper divisors (5814720).

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

2263680 is a wasteful number, since it uses less digits than its factorization.

2263680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2263680 is about 1504.5530897911. The cubic root of 2263680 is about 131.3021017636.

The spelling of 2263680 in words is "two million, two hundred sixty-three thousand, six hundred eighty".