83934905 has 16 divisors (see below), whose sum is σ = 102170640. Its totient is φ = 66189312.

The previous prime is 83934883. The next prime is 83934911. The reversal of 83934905 is 50943938.

It can be written as a sum of positive squares in 8 ways, for example, as 1106704 + 82828201 = 1052^2 + 9101^2 .

It is a cyclic number.

It is not a de Polignac number, because 83934905 - 2¹⁸ = 83672761 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183437 + ... + 183893.

It is an arithmetic number, because the mean of its divisors is an integer number (6385665).

Almost surely, 2^83934905 is an apocalyptic number.

It is an amenable number.

83934905 is a deficient number, since it is larger than the sum of its proper divisors (18235735).

83934905 is a wasteful number, since it uses less digits than its factorization.

83934905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 83934905 is about 9161.5994782571. The cubic root of 83934905 is about 437.8387558652.

The spelling of 83934905 in words is "eighty-three million, nine hundred thirty-four thousand, nine hundred five".