404028105 has 16 divisors (see below), whose sum is σ = 696171840. Its totient is φ = 198906048.

The previous prime is 404028083. The next prime is 404028139. The reversal of 404028105 is 501820404.

It is not a de Polignac number, because 404028105 - 2¹⁶ = 403962569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1035775 + ... + 1036164.

It is an arithmetic number, because the mean of its divisors is an integer number (43510740).

Almost surely, 2^404028105 is an apocalyptic number.

It is an amenable number.

404028105 is a deficient number, since it is larger than the sum of its proper divisors (292143735).

404028105 is a wasteful number, since it uses less digits than its factorization.

404028105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071960.

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

The square root of 404028105 is about 20100.4503680888. The cubic root of 404028105 is about 739.2713212976.

Adding to 404028105 its reverse (501820404), we get a palindrome (905848509).

The spelling of 404028105 in words is "four hundred four million, twenty-eight thousand, one hundred five".