9986474 has 4 divisors (see below), whose sum is σ = 14979714. Its totient is φ = 4993236.

The previous prime is 9986467. The next prime is 9986479. The reversal of 9986474 is 4746899.

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

It can be written as a sum of positive squares in only one way, i.e., 5555449 + 4431025 = 2357^2 + 2105^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9986479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2496617 + ... + 2496620.

Almost surely, 2^9986474 is an apocalyptic number.

9986474 is a deficient number, since it is larger than the sum of its proper divisors (4993240).

9986474 is a wasteful number, since it uses less digits than its factorization.

9986474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993239.

The product of its digits is 435456, while the sum is 47.

The square root of 9986474 is about 3160.1382881134. The cubic root of 9986474 is about 215.3462888960.

The spelling of 9986474 in words is "nine million, nine hundred eighty-six thousand, four hundred seventy-four".