84906650 has 12 divisors (see below), whose sum is σ = 157926462. Its totient is φ = 33962640.

The previous prime is 84906643. The next prime is 84906659. The reversal of 84906650 is 5660948.

It can be written as a sum of positive squares in 3 ways, for example, as 82864609 + 2042041 = 9103^2 + 1429^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (84906659) 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 5 ways as a sum of consecutive naturals, for example, 849017 + ... + 849116.

Almost surely, 2^84906650 is an apocalyptic number.

84906650 is a deficient number, since it is larger than the sum of its proper divisors (73019812).

84906650 is a wasteful number, since it uses less digits than its factorization.

84906650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698145 (or 1698140 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 84906650 is about 9214.4804519843. The cubic root of 84906650 is about 439.5219498055.

The spelling of 84906650 in words is "eighty-four million, nine hundred six thousand, six hundred fifty".