403801 has 4 divisors (see below), whose sum is σ = 427572. Its totient is φ = 380032.

The previous prime is 403787. The next prime is 403817. The reversal of 403801 is 108304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 301401 + 102400 = 549^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 403801 - 2⁹ = 403289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403831) 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, 11860 + ... + 11893.

It is an arithmetic number, because the mean of its divisors is an integer number (106893).

2⁴⁰³⁸⁰¹ is an apocalyptic number.

It is an amenable number.

403801 is a deficient number, since it is larger than the sum of its proper divisors (23771).

403801 is a wasteful number, since it uses less digits than its factorization.

403801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23770.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 403801 is about 635.4533814530. The cubic root of 403801 is about 73.9132780044.

The spelling of 403801 in words is "four hundred three thousand, eight hundred one".