2030904 has 48 divisors (see below), whose sum is σ = 5595720. Its totient is φ = 665280.

The previous prime is 2030881. The next prime is 2030909. The reversal of 2030904 is 4090302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030909) 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, 4614 + ... + 5034.

2^2030904 is an apocalyptic number.

2030904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2030904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2797860).

2030904 is an abundant number, since it is smaller than the sum of its proper divisors (3564816).

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

2030904 is a wasteful number, since it uses less digits than its factorization.

2030904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2030904 is about 1425.0978913745. The cubic root of 2030904 is about 126.6377342353.

Adding to 2030904 its product of nonzero digits (216), we get a triangular number (2031120 = T₂₀₁₅).

The spelling of 2030904 in words is "two million, thirty thousand, nine hundred four".