9613887 has 8 divisors (see below), whose sum is σ = 12945840. Its totient is φ = 6345600.

The previous prime is 9613861. The next prime is 9613907. The reversal of 9613887 is 7883169.

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

It is not a de Polignac number, because 9613887 - 2⁷ = 9613759 is a prime.

9613887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9613817) 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, 15562 + ... + 16167.

It is an arithmetic number, because the mean of its divisors is an integer number (1618230).

Almost surely, 2^9613887 is an apocalyptic number.

9613887 is a deficient number, since it is larger than the sum of its proper divisors (3331953).

9613887 is a wasteful number, since it uses less digits than its factorization.

9613887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31833.

The product of its digits is 72576, while the sum is 42.

The square root of 9613887 is about 3100.6268721018. The cubic root of 9613887 is about 212.6341445973.

The spelling of 9613887 in words is "nine million, six hundred thirteen thousand, eight hundred eighty-seven".