2045404 has 6 divisors (see below), whose sum is σ = 3579464. Its totient is φ = 1022700.

The previous prime is 2045377. The next prime is 2045437. The reversal of 2045404 is 4045402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255672 + ... + 255679.

2^2045404 is an apocalyptic number.

It is an amenable number.

2045404 is a deficient number, since it is larger than the sum of its proper divisors (1534060).

2045404 is a wasteful number, since it uses less digits than its factorization.

2045404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511355 (or 511353 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2045404 is about 1430.1762129192. The cubic root of 2045404 is about 126.9384040072.

The spelling of 2045404 in words is "two million, forty-five thousand, four hundred four".