84901816 has 16 divisors (see below), whose sum is σ = 163074240. Its totient is φ = 41415360.

The previous prime is 84901811. The next prime is 84901829. The reversal of 84901816 is 61810948.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84901811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129096 + ... + 129751.

It is an arithmetic number, because the mean of its divisors is an integer number (10192140).

Almost surely, 2^84901816 is an apocalyptic number.

It is an amenable number.

84901816 is a deficient number, since it is larger than the sum of its proper divisors (78172424).

84901816 is a wasteful number, since it uses less digits than its factorization.

84901816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258894 (or 258890 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 84901816 is about 9214.2181437168. The cubic root of 84901816 is about 439.5136085294.

The spelling of 84901816 in words is "eighty-four million, nine hundred one thousand, eight hundred sixteen".