9883649 has 4 divisors (see below), whose sum is σ = 9891840. Its totient is φ = 9875460.

The previous prime is 9883633. The next prime is 9883669. The reversal of 9883649 is 9463889.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9883649 - 2⁴ = 9883633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9883619) 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, 1889 + ... + 4830.

It is an arithmetic number, because the mean of its divisors is an integer number (2472960).

It is a Proth number, since it is equal to 2413 ⋅ 2¹² + 1 and 2413 < 2¹².

Almost surely, 2^9883649 is an apocalyptic number.

It is an amenable number.

9883649 is a deficient number, since it is larger than the sum of its proper divisors (8191).

9883649 is a wasteful number, since it uses less digits than its factorization.

9883649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8190.

The product of its digits is 373248, while the sum is 47.

The square root of 9883649 is about 3143.8271262905. The cubic root of 9883649 is about 214.6046384812.

The spelling of 9883649 in words is "nine million, eight hundred eighty-three thousand, six hundred forty-nine".