84921008 has 10 divisors (see below), whose sum is σ = 164534484. Its totient is φ = 42460496.

The previous prime is 84920993. The next prime is 84921047. The reversal of 84921008 is 80012948.

It is a happy number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2653766 + ... + 2653797.

Almost surely, 2^84921008 is an apocalyptic number.

It is an amenable number.

84921008 is a deficient number, since it is larger than the sum of its proper divisors (79613476).

84921008 is a wasteful number, since it uses less digits than its factorization.

84921008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307571 (or 5307565 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 84921008 is about 9215.2595188633. The cubic root of 84921008 is about 439.5467232890.

The spelling of 84921008 in words is "eighty-four million, nine hundred twenty-one thousand, eight".