1886868 has 24 divisors (see below), whose sum is σ = 4892160. Its totient is φ = 628920.

The previous prime is 1886867. The next prime is 1886869. The reversal of 1886868 is 8686881.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1886867) and next prime (1886869).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1886867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8628 + ... + 8843.

It is an arithmetic number, because the mean of its divisors is an integer number (203840).

2^1886868 is an apocalyptic number.

1886868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1886868 is an abundant number, since it is smaller than the sum of its proper divisors (3005292).

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

1886868 is a wasteful number, since it uses less digits than its factorization.

1886868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17484 (or 17476 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 1886868 is about 1373.6331387965. The cubic root of 1886868 is about 123.5702256493.

It can be divided in two parts, 188 and 6868, that added together give a square (7056 = 84²).

The spelling of 1886868 in words is "one million, eight hundred eighty-six thousand, eight hundred sixty-eight".