984401 has 4 divisors (see below), whose sum is σ = 1073904.
Its totient is φ = 894900.
The previous prime is 984397. The next prime is 984407. The reversal of 984401 is 104489.
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 984401 - 22 = 984397 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (984407) 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, 44735 + ... + 44756.
It is an arithmetic number, because the mean of its divisors is an integer number (268476).
2984401 is an apocalyptic number.
It is an amenable number.
984401 is a deficient number, since it is larger than the sum of its proper divisors (89503).
984401 is a wasteful number, since it uses less digits than its factorization.
984401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89502.
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 984401 is about 992.1698443311.
The cubic root of 984401 is about 99.4773060033.
The spelling of 984401 in words is "nine hundred eighty-four thousand, four hundred one".