2236986 has 12 divisors (see below), whose sum is σ = 4846842. Its totient is φ = 745656.

The previous prime is 2236981. The next prime is 2236987. The reversal of 2236986 is 6896322.

It can be written as a sum of positive squares in only one way, i.e., 2047761 + 189225 = 1431^2 + 435^2 .

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁹ + 3⁴ + 6³ + 9 + 8 + 6⁸ .

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2236986.

It is not an unprimeable number, because it can be changed into a prime (2236981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62121 + ... + 62156.

2^2236986 is an apocalyptic number.

2236986 is an abundant number, since it is smaller than the sum of its proper divisors (2609856).

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

2236986 is a wasteful number, since it uses less digits than its factorization.

2236986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124285 (or 124282 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 2236986 is about 1495.6557090454. The cubic root of 2236986 is about 130.7839415799.

The spelling of 2236986 in words is "two million, two hundred thirty-six thousand, nine hundred eighty-six".