900987017 has 8 divisors (see below), whose sum is σ = 1030379136. Its totient is φ = 771764832.

The previous prime is 900986987. The next prime is 900987023. The reversal of 900987017 is 710789009.

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 900987017 - 2¹⁰ = 900985993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900987817) 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, 30908 + ... + 52509.

It is an arithmetic number, because the mean of its divisors is an integer number (128797392).

Almost surely, 2^900987017 is an apocalyptic number.

It is an amenable number.

900987017 is a deficient number, since it is larger than the sum of its proper divisors (129392119).

900987017 is a wasteful number, since it uses less digits than its factorization.

900987017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84967.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 900987017 is about 30016.4457756077. The cubic root of 900987017 is about 965.8422017479.

The spelling of 900987017 in words is "nine hundred million, nine hundred eighty-seven thousand, seventeen".