84610906 has 8 divisors (see below), whose sum is σ = 127106964. Its totient is φ = 42241920.

The previous prime is 84610901. The next prime is 84610919. The reversal of 84610906 is 60901648.

It can be written as a sum of positive squares in 2 ways, for example, as 80263681 + 4347225 = 8959^2 + 2085^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (84610901) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30085 + ... + 32776.

Almost surely, 2^84610906 is an apocalyptic number.

84610906 is a deficient number, since it is larger than the sum of its proper divisors (42496058).

84610906 is a wasteful number, since it uses less digits than its factorization.

84610906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63536.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 84610906 is about 9198.4186684451. The cubic root of 84610906 is about 439.0110467797.

The spelling of 84610906 in words is "eighty-four million, six hundred ten thousand, nine hundred six".