9986049 has 6 divisors (see below), whose sum is σ = 14424306. Its totient is φ = 6657360.

The previous prime is 9986033. The next prime is 9986051. The reversal of 9986049 is 9406899.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 986049 = 3000^2 + 993^2 .

It is not a de Polignac number, because 9986049 - 2⁴ = 9986033 is a prime.

9986049 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9985995 and 9986013.

It is not an unprimeable number, because it can be changed into a prime (9986029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 554772 + ... + 554789.

It is an arithmetic number, because the mean of its divisors is an integer number (2404051).

It is a Proth number, since it is equal to 1219 ⋅ 2¹³ + 1 and 1219 < 2¹³.

Almost surely, 2^9986049 is an apocalyptic number.

It is an amenable number.

9986049 is a deficient number, since it is larger than the sum of its proper divisors (4438257).

9986049 is a wasteful number, since it uses less digits than its factorization.

9986049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109567 (or 1109564 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9986049 is about 3160.0710435052. The cubic root of 9986049 is about 215.3432339816.

It can be divided in two parts, 9 and 986049, that multiplied together give a square (8874441 = 2979²).

The spelling of 9986049 in words is "nine million, nine hundred eighty-six thousand, forty-nine".