84921802 has 24 divisors (see below), whose sum is σ = 153294660. Its totient is φ = 35138880.

The previous prime is 84921797. The next prime is 84921841. The reversal of 84921802 is 20812948.

It can be written as a sum of positive squares in 2 ways, for example, as 81162081 + 3759721 = 9009^2 + 1939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12099 + ... + 17782.

Almost surely, 2^84921802 is an apocalyptic number.

84921802 is a deficient number, since it is larger than the sum of its proper divisors (68372858).

84921802 is a wasteful number, since it uses less digits than its factorization.

84921802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29926 (or 29919 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 84921802 is about 9215.3025994809. The cubic root of 84921802 is about 439.5480931856.

The spelling of 84921802 in words is "eighty-four million, nine hundred twenty-one thousand, eight hundred two".