9805401 has 16 divisors (see below), whose sum is σ = 14713600. Its totient is φ = 6452784.

The previous prime is 9805399. The next prime is 9805403. The reversal of 9805401 is 1045089.

It is an interprime number because it is at equal distance from previous prime (9805399) and next prime (9805403).

It is not a de Polignac number, because 9805401 - 2¹ = 9805399 is a prime.

It is a super-2 number, since 2×9805401² = 192291777541602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9805403) 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 15 ways as a sum of consecutive naturals, for example, 166 + ... + 4431.

It is an arithmetic number, because the mean of its divisors is an integer number (919600).

Almost surely, 2^9805401 is an apocalyptic number.

It is an amenable number.

9805401 is a deficient number, since it is larger than the sum of its proper divisors (4908199).

9805401 is a wasteful number, since it uses less digits than its factorization.

9805401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685 (or 4679 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 9805401 is about 3131.3576927588. The cubic root of 9805401 is about 214.0368018345.

The spelling of 9805401 in words is "nine million, eight hundred five thousand, four hundred one".