1004208405 has 16 divisors (see below), whose sum is σ = 1676592000. Its totient is φ = 512291648.

The previous prime is 1004208397. The next prime is 1004208407. The reversal of 1004208405 is 5048024001.

1004208405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1004208405 - 2³ = 1004208397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004208407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1455030 + ... + 1455719.

It is an arithmetic number, because the mean of its divisors is an integer number (104787000).

Almost surely, 2^1004208405 is an apocalyptic number.

1004208405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1004208405 is a deficient number, since it is larger than the sum of its proper divisors (672383595).

1004208405 is a wasteful number, since it uses less digits than its factorization.

1004208405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910780.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1004208405 is about 31689.2474666092. The cubic root of 1004208405 is about 1001.4008384021.

The spelling of 1004208405 in words is "one billion, four million, two hundred eight thousand, four hundred five".