400341 has 4 divisors (see below), whose sum is σ = 533792. Its totient is φ = 266892.

The previous prime is 400339. The next prime is 400381. The reversal of 400341 is 143004.

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.

It is not a de Polignac number, because 400341 - 2¹ = 400339 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400321) 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 in 3 ways as a sum of consecutive naturals, for example, 66721 + ... + 66726.

It is an arithmetic number, because the mean of its divisors is an integer number (133448).

2⁴⁰⁰³⁴¹ is an apocalyptic number.

It is an amenable number.

400341 is a deficient number, since it is larger than the sum of its proper divisors (133451).

400341 is a wasteful number, since it uses less digits than its factorization.

400341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133450.

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

The square root of 400341 is about 632.7250587736. The cubic root of 400341 is about 73.7015616049.

Adding to 400341 its reverse (143004), we get a palindrome (543345).

It can be divided in two parts, 400 and 341, that added together give a triangular number (741 = T₃₈).

The spelling of 400341 in words is "four hundred thousand, three hundred forty-one", and thus it is an iban number.