8628405 has 16 divisors (see below), whose sum is σ = 13894080. Its totient is φ = 4572288.

The previous prime is 8628383. The next prime is 8628407. The reversal of 8628405 is 5048268.

8628405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8628405 - 2⁸ = 8628149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8628407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681 + ... + 4209.

It is an arithmetic number, because the mean of its divisors is an integer number (868380).

Almost surely, 2^8628405 is an apocalyptic number.

It is an amenable number.

8628405 is a deficient number, since it is larger than the sum of its proper divisors (5265675).

8628405 is a wasteful number, since it uses less digits than its factorization.

8628405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 8628405 is about 2937.4146796120. The cubic root of 8628405 is about 205.1052800495.

The spelling of 8628405 in words is "eight million, six hundred twenty-eight thousand, four hundred five".