84440903 has 8 divisors (see below), whose sum is σ = 85332480. Its totient is φ = 83553120.

The previous prime is 84440879. The next prime is 84440911. The reversal of 84440903 is 30904448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84440903 - 2⁸ = 84440647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84440903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84440933) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 68093 + ... + 69321.

It is an arithmetic number, because the mean of its divisors is an integer number (10666560).

Almost surely, 2^84440903 is an apocalyptic number.

84440903 is a deficient number, since it is larger than the sum of its proper divisors (891577).

84440903 is a wasteful number, since it uses less digits than its factorization.

84440903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 84440903 is about 9189.1731401688. The cubic root of 84440903 is about 438.7168245195.

The spelling of 84440903 in words is "eighty-four million, four hundred forty thousand, nine hundred three".