2031804 has 30 divisors (see below), whose sum is σ = 5312384. Its totient is φ = 677160.

The previous prime is 2031791. The next prime is 2031811. The reversal of 2031804 is 4081302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2812 + ... + 3459.

2^2031804 is an apocalyptic number.

It is an amenable number.

2031804 is an abundant number, since it is smaller than the sum of its proper divisors (3280580).

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

2031804 is a wasteful number, since it uses less digits than its factorization.

2031804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287 (or 6276 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2031804 is about 1425.4136241807. The cubic root of 2031804 is about 126.6564380783.

The spelling of 2031804 in words is "two million, thirty-one thousand, eight hundred four".