986848909 has 4 divisors (see below), whose sum is σ = 996071904. Its totient is φ = 977625916.

The previous prime is 986848897. The next prime is 986848913. The reversal of 986848909 is 909848689.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 909848689 = 607 ⋅1498927.

It is a cyclic number.

It is not a de Polignac number, because 986848909 - 2²⁷ = 852631181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986858909) 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, 4611337 + ... + 4611550.

It is an arithmetic number, because the mean of its divisors is an integer number (249017976).

Almost surely, 2^986848909 is an apocalyptic number.

It is an amenable number.

986848909 is a deficient number, since it is larger than the sum of its proper divisors (9222995).

986848909 is a wasteful number, since it uses less digits than its factorization.

986848909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9222994.

The product of its (nonzero) digits is 8957952, while the sum is 61.

The square root of 986848909 is about 31414.1514130177. The cubic root of 986848909 is about 995.5969445566.

The spelling of 986848909 in words is "nine hundred eighty-six million, eight hundred forty-eight thousand, nine hundred nine".