984908641 has 4 divisors (see below), whose sum is σ = 1005864192. Its totient is φ = 963953092.

The previous prime is 984908633. The next prime is 984908677. The reversal of 984908641 is 146809489.

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 984908641 - 2³ = 984908633 is a prime.

It is a super-2 number, since 2×984908641² = 1940090062232933762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (984908341) 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, 10477705 + ... + 10477798.

It is an arithmetic number, because the mean of its divisors is an integer number (251466048).

Almost surely, 2^984908641 is an apocalyptic number.

It is an amenable number.

984908641 is a deficient number, since it is larger than the sum of its proper divisors (20955551).

984908641 is a wasteful number, since it uses less digits than its factorization.

984908641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20955550.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 984908641 is about 31383.2541493071. The cubic root of 984908641 is about 994.9440272210.

The spelling of 984908641 in words is "nine hundred eighty-four million, nine hundred eight thousand, six hundred forty-one".