2263986 has 12 divisors (see below), whose sum is σ = 4905342. Its totient is φ = 754656.

The previous prime is 2263969. The next prime is 2264027. The reversal of 2263986 is 6893622.

It can be written as a sum of positive squares in only one way, i.e., 2047761 + 216225 = 1431^2 + 465^2 .

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁹ + 6 + 3 + 9⁵ + 8³ + 6⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 2263986.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62871 + ... + 62906.

2^2263986 is an apocalyptic number.

2263986 is an abundant number, since it is smaller than the sum of its proper divisors (2641356).

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

2263986 is a wasteful number, since it uses less digits than its factorization.

2263986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125785 (or 125782 counting only the distinct ones).

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

The square root of 2263986 is about 1504.6547776816. The cubic root of 2263986 is about 131.3080178873.

It can be divided in two parts, 2263 and 986, that added together give a square (3249 = 57²).

The spelling of 2263986 in words is "two million, two hundred sixty-three thousand, nine hundred eighty-six".