400304326 has 8 divisors (see below), whose sum is σ = 610300224. Its totient is φ = 196870920.

The previous prime is 400304237. The next prime is 400304327. The reversal of 400304326 is 623403004.

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

It is a junction number, because it is equal to n+sod(n) for n = 400304297 and 400304306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400304327) 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, 1640470 + ... + 1640713.

It is an arithmetic number, because the mean of its divisors is an integer number (76287528).

Almost surely, 2^400304326 is an apocalyptic number.

400304326 is a deficient number, since it is larger than the sum of its proper divisors (209995898).

400304326 is a wasteful number, since it uses less digits than its factorization.

400304326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281246.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 400304326 is about 20007.6067034516. The cubic root of 400304326 is about 736.9931101217.

The spelling of 400304326 in words is "four hundred million, three hundred four thousand, three hundred twenty-six".