84646946 has 16 divisors (see below), whose sum is σ = 134740800. Its totient is φ = 39795888.

The previous prime is 84646943. The next prime is 84646967. The reversal of 84646946 is 64964648.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 84646946.

It is not an unprimeable number, because it can be changed into a prime (84646943) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12881 + ... + 18308.

It is an arithmetic number, because the mean of its divisors is an integer number (8421300).

Almost surely, 2^84646946 is an apocalyptic number.

84646946 is a deficient number, since it is larger than the sum of its proper divisors (50093854).

84646946 is a wasteful number, since it uses less digits than its factorization.

84646946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31273.

The product of its digits is 995328, while the sum is 47.

The square root of 84646946 is about 9200.3774922554. The cubic root of 84646946 is about 439.0733701568.

The spelling of 84646946 in words is "eighty-four million, six hundred forty-six thousand, nine hundred forty-six".