2268386 has 4 divisors (see below), whose sum is σ = 3402582. Its totient is φ = 1134192.

The previous prime is 2268377. The next prime is 2268389. The reversal of 2268386 is 6838622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1677025 + 591361 = 1295^2 + 769^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2268389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567095 + ... + 567098.

2^2268386 is an apocalyptic number.

2268386 is a deficient number, since it is larger than the sum of its proper divisors (1134196).

2268386 is a wasteful number, since it uses less digits than its factorization.

2268386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134195.

The product of its digits is 27648, while the sum is 35.

The square root of 2268386 is about 1506.1161973766. The cubic root of 2268386 is about 131.3930274528.

The spelling of 2268386 in words is "two million, two hundred sixty-eight thousand, three hundred eighty-six".