2389445404 has 24 divisors (see below), whose sum is σ = 4570328448. Its totient is φ = 1088171520.

The previous prime is 2389445393. The next prime is 2389445419. The reversal of 2389445404 is 4045449832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564649 + ... + 568864.

It is an arithmetic number, because the mean of its divisors is an integer number (190430352).

Almost surely, 2^2389445404 is an apocalyptic number.

It is an amenable number.

2389445404 is a deficient number, since it is larger than the sum of its proper divisors (2180883044).

2389445404 is a wasteful number, since it uses less digits than its factorization.

2389445404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133565 (or 1133563 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The square root of 2389445404 is about 48881.9537661906. The cubic root of 2389445404 is about 1336.9003509183.

The spelling of 2389445404 in words is "two billion, three hundred eighty-nine million, four hundred forty-five thousand, four hundred four".