984422399 has 4 divisors (see below), whose sum is σ = 989088120. Its totient is φ = 979756680.

The previous prime is 984422393. The next prime is 984422441. The reversal of 984422399 is 993224489.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993224489 = 239 ⋅4155751.

It is a cyclic number.

It is not a de Polignac number, because 984422399 - 2²⁴ = 967645183 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 (984422393) 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, 2332544 + ... + 2332965.

It is an arithmetic number, because the mean of its divisors is an integer number (247272030).

Almost surely, 2^984422399 is an apocalyptic number.

984422399 is a deficient number, since it is larger than the sum of its proper divisors (4665721).

984422399 is a wasteful number, since it uses less digits than its factorization.

984422399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665720.

The product of its digits is 1119744, while the sum is 50.

The square root of 984422399 is about 31375.5063544798. The cubic root of 984422399 is about 994.7802681375.

The spelling of 984422399 in words is "nine hundred eighty-four million, four hundred twenty-two thousand, three hundred ninety-nine".