2023404 has 12 divisors (see below), whose sum is σ = 4721304. Its totient is φ = 674464.

The previous prime is 2023393. The next prime is 2023421. The reversal of 2023404 is 4043202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84297 + ... + 84320.

It is an arithmetic number, because the mean of its divisors is an integer number (393442).

2^2023404 is an apocalyptic number.

It is an amenable number.

2023404 is an abundant number, since it is smaller than the sum of its proper divisors (2697900).

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

2023404 is a wasteful number, since it uses less digits than its factorization.

2023404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168624 (or 168622 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2023404 is about 1422.4640592999. The cubic root of 2023404 is about 126.4816535648.

Adding to 2023404 its reverse (4043202), we get a palindrome (6066606).

The spelling of 2023404 in words is "two million, twenty-three thousand, four hundred four".