84820936 has 8 divisors (see below), whose sum is σ = 159039270. Its totient is φ = 42410464.

The previous prime is 84820907. The next prime is 84820961. The reversal of 84820936 is 63902848.

It can be written as a sum of positive squares in only one way, i.e., 79032100 + 5788836 = 8890^2 + 2406^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5301301 + ... + 5301316.

Almost surely, 2^84820936 is an apocalyptic number.

It is an amenable number.

84820936 is a deficient number, since it is larger than the sum of its proper divisors (74218334).

84820936 is a wasteful number, since it uses less digits than its factorization.

84820936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10602623 (or 10602619 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 84820936 is about 9209.8282285828. The cubic root of 84820936 is about 439.3739996011.

The spelling of 84820936 in words is "eighty-four million, eight hundred twenty thousand, nine hundred thirty-six".