900660207 has 4 divisors (see below), whose sum is σ = 1200880280. Its totient is φ = 600440136.

The previous prime is 900660157. The next prime is 900660223. The reversal of 900660207 is 702066009.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 900660207 - 2¹⁰ = 900659183 is a prime.

It is a super-2 number, since 2×900660207² = 1622377616946565698, 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 (900660227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150110032 + ... + 150110037.

It is an arithmetic number, because the mean of its divisors is an integer number (300220070).

Almost surely, 2^900660207 is an apocalyptic number.

900660207 is a deficient number, since it is larger than the sum of its proper divisors (300220073).

900660207 is a wasteful number, since it uses less digits than its factorization.

900660207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300220072.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 900660207 is about 30011.0014328079. The cubic root of 900660207 is about 965.7254094391.

The spelling of 900660207 in words is "nine hundred million, six hundred sixty thousand, two hundred seven".