84646906 has 16 divisors (see below), whose sum is σ = 129951360. Its totient is φ = 41333760.

The previous prime is 84646901. The next prime is 84646907. The reversal of 84646906 is 60964648.

It is not an unprimeable number, because it can be changed into a prime (84646901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71701 + ... + 72871.

It is an arithmetic number, because the mean of its divisors is an integer number (8121960).

Almost surely, 2^84646906 is an apocalyptic number.

84646906 is a deficient number, since it is larger than the sum of its proper divisors (45304454).

84646906 is a wasteful number, since it uses less digits than its factorization.

84646906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 84646906 is about 9200.3753184313. The cubic root of 84646906 is about 439.0733009953.

The spelling of 84646906 in words is "eighty-four million, six hundred forty-six thousand, nine hundred six".