84409803 has 16 divisors (see below), whose sum is σ = 125193600. Its totient is φ = 56209320.

The previous prime is 84409771. The next prime is 84409813. The reversal of 84409803 is 30890448.

It is not a de Polignac number, because 84409803 - 2⁵ = 84409771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84409813) 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 15 ways as a sum of consecutive naturals, for example, 42748 + ... + 44678.

It is an arithmetic number, because the mean of its divisors is an integer number (7824600).

Almost surely, 2^84409803 is an apocalyptic number.

84409803 is a deficient number, since it is larger than the sum of its proper divisors (40783797).

84409803 is a wasteful number, since it uses less digits than its factorization.

84409803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559 (or 3553 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 84409803 is about 9187.4807754901. The cubic root of 84409803 is about 438.6629573841.

The spelling of 84409803 in words is "eighty-four million, four hundred nine thousand, eight hundred three".