84473905 has 32 divisors (see below), whose sum is σ = 110073600. Its totient is φ = 62042112.

The previous prime is 84473861. The next prime is 84473927. The reversal of 84473905 is 50937448.

It is a cyclic number.

It is not a de Polignac number, because 84473905 - 2⁹ = 84473393 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 820084 + ... + 820186.

It is an arithmetic number, because the mean of its divisors is an integer number (3439800).

Almost surely, 2^84473905 is an apocalyptic number.

It is an amenable number.

84473905 is a deficient number, since it is larger than the sum of its proper divisors (25599695).

84473905 is a wasteful number, since it uses less digits than its factorization.

84473905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 84473905 is about 9190.9686649450. The cubic root of 84473905 is about 438.7739715747.

The spelling of 84473905 in words is "eighty-four million, four hundred seventy-three thousand, nine hundred five".