983401 has 4 divisors (see below), whose sum is σ = 986704. Its totient is φ = 980100.

The previous prime is 983377. The next prime is 983407. The reversal of 983401 is 104389.

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, and also an emirpimes, since its reverse is a distinct semiprime: 104389 = 139 ⋅751.

It is a 4-Lehmer number, since φ(983401) divides (983401-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 983401 - 2¹⁵ = 950633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (983407) 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, 1155 + ... + 1816.

It is an arithmetic number, because the mean of its divisors is an integer number (246676).

It is a Poulet number, since it divides 2⁹⁸³⁴⁰⁰-1.

2⁹⁸³⁴⁰¹ is an apocalyptic number.

It is an amenable number.

983401 is a deficient number, since it is larger than the sum of its proper divisors (3303).

983401 is a wasteful number, since it uses less digits than its factorization.

983401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 983401 is about 991.6657703077. The cubic root of 983401 is about 99.4436100435.

The spelling of 983401 in words is "nine hundred eighty-three thousand, four hundred one".