401347 has 2 divisors, whose sum is σ = 401348. Its totient is φ = 401346.

The previous prime is 401341. The next prime is 401371. The reversal of 401347 is 743104.

It is a happy number.

401347 is nontrivially palindromic in base 2.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401347 - 2¹⁵ = 368579 is a prime.

It is a super-2 number, since 2×401347² = 322158828818, which contains 22 as substring.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (401341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200673 + 200674.

It is an arithmetic number, because the mean of its divisors is an integer number (200674).

2⁴⁰¹³⁴⁷ is an apocalyptic number.

401347 is a deficient number, since it is larger than the sum of its proper divisors (1).

401347 is an equidigital number, since it uses as much as digits as its factorization.

401347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 401347 is about 633.5195340319. The cubic root of 401347 is about 73.7632438152.

The spelling of 401347 in words is "four hundred one thousand, three hundred forty-seven", and thus it is an iban number.