9986737 has 8 divisors (see below), whose sum is σ = 10345320. Its totient is φ = 9634560.

The previous prime is 9986731. The next prime is 9986747. The reversal of 9986737 is 7376899.

It can be written as a sum of positive squares in 4 ways, for example, as 1915456 + 8071281 = 1384^2 + 2841^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9986737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9986731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1689 + ... + 4777.

It is an arithmetic number, because the mean of its divisors is an integer number (1293165).

Almost surely, 2^9986737 is an apocalyptic number.

It is an amenable number.

9986737 is a deficient number, since it is larger than the sum of its proper divisors (358583).

9986737 is a wasteful number, since it uses less digits than its factorization.

9986737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203.

The product of its digits is 571536, while the sum is 49.

The square root of 9986737 is about 3160.1798999424. The cubic root of 9986737 is about 215.3481793055.

The spelling of 9986737 in words is "nine million, nine hundred eighty-six thousand, seven hundred thirty-seven".