900106687 has 4 divisors (see below), whose sum is σ = 903287560. Its totient is φ = 896925816.

The previous prime is 900106681. The next prime is 900106693. The reversal of 900106687 is 786601009.

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

It is an interprime number because it is at equal distance from previous prime (900106681) and next prime (900106693).

It is a cyclic number.

It is not a de Polignac number, because 900106687 - 2¹⁵ = 900073919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900106681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1590012 + ... + 1590577.

It is an arithmetic number, because the mean of its divisors is an integer number (225821890).

Almost surely, 2^900106687 is an apocalyptic number.

900106687 is a deficient number, since it is larger than the sum of its proper divisors (3180873).

900106687 is a wasteful number, since it uses less digits than its factorization.

900106687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180872.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 900106687 is about 30001.7780639748. The cubic root of 900106687 is about 965.5275331598.

The spelling of 900106687 in words is "nine hundred million, one hundred six thousand, six hundred eighty-seven".