9868949 has 4 divisors (see below), whose sum is σ = 9987936. Its totient is φ = 9749964.

The previous prime is 9868933. The next prime is 9868951. The reversal of 9868949 is 9498689.

9868949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9868949 - 2⁴ = 9868933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9868949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9868979) 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, 59369 + ... + 59534.

It is an arithmetic number, because the mean of its divisors is an integer number (2496984).

Almost surely, 2^9868949 is an apocalyptic number.

It is an amenable number.

9868949 is a deficient number, since it is larger than the sum of its proper divisors (118987).

9868949 is a wasteful number, since it uses less digits than its factorization.

9868949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118986.

The product of its digits is 1119744, while the sum is 53.

The square root of 9868949 is about 3141.4883415349. The cubic root of 9868949 is about 214.4981915109.

The spelling of 9868949 in words is "nine million, eight hundred sixty-eight thousand, nine hundred forty-nine".