1868862 has 32 divisors (see below), whose sum is σ = 3919104. Its totient is φ = 593600.

The previous prime is 1868851. The next prime is 1868863. The reversal of 1868862 is 2688681.

It is a self number, because there is not a number n which added to its sum of digits gives 1868862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17413 + ... + 17519.

It is an arithmetic number, because the mean of its divisors is an integer number (122472).

2^1868862 is an apocalyptic number.

1868862 is an abundant number, since it is smaller than the sum of its proper divisors (2050242).

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

1868862 is a wasteful number, since it uses less digits than its factorization.

1868862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its digits is 36864, while the sum is 39.

The square root of 1868862 is about 1367.0632757850. The cubic root of 1868862 is about 123.1759000900.

The spelling of 1868862 in words is "one million, eight hundred sixty-eight thousand, eight hundred sixty-two".