400826434 has 16 divisors (see below), whose sum is σ = 615056256. Its totient is φ = 195822000.

The previous prime is 400826417. The next prime is 400826467. The reversal of 400826434 is 434628004.

It is a junction number, because it is equal to n+sod(n) for n = 400826396 and 400826405.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58909 + ... + 65359.

It is an arithmetic number, because the mean of its divisors is an integer number (38441016).

Almost surely, 2^400826434 is an apocalyptic number.

400826434 is a deficient number, since it is larger than the sum of its proper divisors (214229822).

400826434 is a wasteful number, since it uses less digits than its factorization.

400826434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7161.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 400826434 is about 20020.6501892421. The cubic root of 400826434 is about 737.3133854754.

The spelling of 400826434 in words is "four hundred million, eight hundred twenty-six thousand, four hundred thirty-four".