1868814 has 24 divisors (see below), whose sum is σ = 4137120. Its totient is φ = 609684.

The previous prime is 1868813. The next prime is 1868837. The reversal of 1868814 is 4188681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39739 + ... + 39785.

It is an arithmetic number, because the mean of its divisors is an integer number (172380).

2^1868814 is an apocalyptic number.

1868814 is an abundant number, since it is smaller than the sum of its proper divisors (2268306).

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

1868814 is an frugal number, since it uses more digits than its factorization.

1868814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 52 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 1868814 is about 1367.0457197914. The cubic root of 1868814 is about 123.1748455278.

The spelling of 1868814 in words is "one million, eight hundred sixty-eight thousand, eight hundred fourteen".