403401 has 8 divisors (see below), whose sum is σ = 549504. Its totient is φ = 263120.

The previous prime is 403391. The next prime is 403433. The reversal of 403401 is 104304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 403401 - 2⁵ = 403369 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 403401.

It is not an unprimeable number, because it can be changed into a prime (403001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290 + ... + 1571.

It is an arithmetic number, because the mean of its divisors is an integer number (68688).

2⁴⁰³⁴⁰¹ is an apocalyptic number.

It is an amenable number.

403401 is a deficient number, since it is larger than the sum of its proper divisors (146103).

403401 is a wasteful number, since it uses less digits than its factorization.

403401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 403401 is about 635.1385675583. The cubic root of 403401 is about 73.8888640984. Note that the first 4 decimals are identical.

Adding to 403401 its reverse (104304), we get a palindrome (507705).

The spelling of 403401 in words is "four hundred three thousand, four hundred one", and thus it is an iban number.