84917903 has 8 divisors (see below), whose sum is σ = 97296672. Its totient is φ = 72601056.

The previous prime is 84917869. The next prime is 84917927. The reversal of 84917903 is 30971948.

It is a happy number.

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 84917903 - 2¹⁰ = 84916879 is a prime.

It is a super-2 number, since 2×84917903² = 14422100499834818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84917953) 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 7 ways as a sum of consecutive naturals, for example, 12500 + ... + 18057.

It is an arithmetic number, because the mean of its divisors is an integer number (12162084).

Almost surely, 2^84917903 is an apocalyptic number.

84917903 is a deficient number, since it is larger than the sum of its proper divisors (12378769).

84917903 is a wasteful number, since it uses less digits than its factorization.

84917903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30961.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 84917903 is about 9215.0910467559. The cubic root of 84917903 is about 439.5413661175.

The spelling of 84917903 in words is "eighty-four million, nine hundred seventeen thousand, nine hundred three".