400321341 has 12 divisors (see below), whose sum is σ = 660848032. Its totient is φ = 228755016.

The previous prime is 400321331. The next prime is 400321373. The reversal of 400321341 is 143123004.

400321341 is a `hidden beast` number, since 4 + 0 + 0 + 321 + 341 = 666.

It is not a de Polignac number, because 400321341 - 2⁵ = 400321309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400321331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3177091 + ... + 3177216.

Almost surely, 2^400321341 is an apocalyptic number.

It is an amenable number.

400321341 is a deficient number, since it is larger than the sum of its proper divisors (260526691).

400321341 is a wasteful number, since it uses less digits than its factorization.

400321341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354320 (or 6354317 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 400321341 is about 20008.0319122097. The cubic root of 400321341 is about 737.0035519774.

Adding to 400321341 its reverse (143123004), we get a palindrome (543444345).

The spelling of 400321341 in words is "four hundred million, three hundred twenty-one thousand, three hundred forty-one".