400326934 has 16 divisors (see below), whose sum is σ = 686555136. Its totient is φ = 171498600.

The previous prime is 400326929. The next prime is 400327001. The reversal of 400326934 is 439623004.

It is a junction number, because it is equal to n+sod(n) for n = 400326896 and 400326905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44779 + ... + 52969.

It is an arithmetic number, because the mean of its divisors is an integer number (42909696).

Almost surely, 2^400326934 is an apocalyptic number.

400326934 is a deficient number, since it is larger than the sum of its proper divisors (286228202).

400326934 is a wasteful number, since it uses less digits than its factorization.

400326934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11691.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 400326934 is about 20008.1716805909. The cubic root of 400326934 is about 737.0069842548.

Adding to 400326934 its reverse (439623004), we get a palindrome (839949938).

The spelling of 400326934 in words is "four hundred million, three hundred twenty-six thousand, nine hundred thirty-four".