984122407 has 4 divisors (see below), whose sum is σ = 988457976. Its totient is φ = 979786840.

The previous prime is 984122389. The next prime is 984122429. The reversal of 984122407 is 704221489.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 984122407 - 2¹¹ = 984120359 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 (984122107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167444 + ... + 2167897.

It is an arithmetic number, because the mean of its divisors is an integer number (247114494).

Almost surely, 2^984122407 is an apocalyptic number.

984122407 is a deficient number, since it is larger than the sum of its proper divisors (4335569).

984122407 is a wasteful number, since it uses less digits than its factorization.

984122407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335568.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 984122407 is about 31370.7253183601. The cubic root of 984122407 is about 994.6792083886.

The spelling of 984122407 in words is "nine hundred eighty-four million, one hundred twenty-two thousand, four hundred seven".