2236680 has 128 divisors (see below), whose sum is σ = 7920000. Its totient is φ = 559872.

The previous prime is 2236667. The next prime is 2236693. The reversal of 2236680 is 866322.

It is an interprime number because it is at equal distance from previous prime (2236667) and next prime (2236693).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20466 + ... + 20574.

It is an arithmetic number, because the mean of its divisors is an integer number (61875).

2^2236680 is an apocalyptic number.

2236680 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 2236680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3960000).

2236680 is an abundant number, since it is smaller than the sum of its proper divisors (5683320).

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

2236680 is a wasteful number, since it uses less digits than its factorization.

2236680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 138 counting only the distinct ones).

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

The square root of 2236680 is about 1495.5534092770. The cubic root of 2236680 is about 130.7779779439. Note that the first 3 decimals are identical.

It can be divided in two parts, 2236 and 680, that added together give a square (2916 = 54²).

The spelling of 2236680 in words is "two million, two hundred thirty-six thousand, six hundred eighty".