984406407 has 4 divisors (see below), whose sum is σ = 1312541880. Its totient is φ = 656270936.

The previous prime is 984406309. The next prime is 984406441. The reversal of 984406407 is 704604489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704604489 = 3 ⋅234868163.

It is a cyclic number.

It is not a de Polignac number, because 984406407 - 2⁸ = 984406151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984406447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164067732 + ... + 164067737.

It is an arithmetic number, because the mean of its divisors is an integer number (328135470).

Almost surely, 2^984406407 is an apocalyptic number.

984406407 is a deficient number, since it is larger than the sum of its proper divisors (328135473).

984406407 is a wasteful number, since it uses less digits than its factorization.

984406407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328135472.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 984406407 is about 31375.2515049681. The cubic root of 984406407 is about 994.7748813536.

The spelling of 984406407 in words is "nine hundred eighty-four million, four hundred six thousand, four hundred seven".