400324 has 12 divisors (see below), whose sum is σ = 717948. Its totient is φ = 195200.

The previous prime is 400321. The next prime is 400331. The reversal of 400324 is 423004.

It can be written as a sum of positive squares in 2 ways, for example, as 28224 + 372100 = 168^2 + 610^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 400324.

It is not an unprimeable number, because it can be changed into a prime (400321) 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, 1057 + ... + 1384.

It is an arithmetic number, because the mean of its divisors is an integer number (59829).

2⁴⁰⁰³²⁴ is an apocalyptic number.

It is an amenable number.

400324 is a deficient number, since it is larger than the sum of its proper divisors (317624).

400324 is a wasteful number, since it uses less digits than its factorization.

400324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 400324 is about 632.7116246759. The cubic root of 400324 is about 73.7005183740.

Adding to 400324 its reverse (423004), we get a palindrome (823328).

It can be divided in two parts, 400 and 324, that multiplied together give a square (129600 = 360²).

The spelling of 400324 in words is "four hundred thousand, three hundred twenty-four", and thus it is an iban number.