1868004 has 36 divisors (see below), whose sum is σ = 4972240. Its totient is φ = 589680.

The previous prime is 1867993. The next prime is 1868017. The reversal of 1868004 is 4008681.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 682 + ... + 2049.

2^1868004 is an apocalyptic number.

It is an amenable number.

1868004 is an abundant number, since it is smaller than the sum of its proper divisors (3104236).

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

1868004 is a wasteful number, since it uses less digits than its factorization.

1868004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1868004 is about 1366.7494283884. The cubic root of 1868004 is about 123.1570470662.

The spelling of 1868004 in words is "one million, eight hundred sixty-eight thousand, four".