8045905 has 16 divisors (see below), whose sum is σ = 11416320. Its totient is φ = 5326272.

The previous prime is 8045903. The next prime is 8045923. The reversal of 8045905 is 5095408.

8045905 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 8045905 - 2¹ = 8045903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8045903) 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, 2949 + ... + 4978.

It is an arithmetic number, because the mean of its divisors is an integer number (713520).

Almost surely, 2^8045905 is an apocalyptic number.

It is an amenable number.

8045905 is a deficient number, since it is larger than the sum of its proper divisors (3370415).

8045905 is a wasteful number, since it uses less digits than its factorization.

8045905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 8045905 is about 2836.5304510969. The cubic root of 8045905 is about 200.3818122997.

The spelling of 8045905 in words is "eight million, forty-five thousand, nine hundred five".