400434322 has 8 divisors (see below), whose sum is σ = 600736572. Its totient is φ = 200188800.

The previous prime is 400434283. The next prime is 400434343. The reversal of 400434322 is 223434004.

It can be written as a sum of positive squares in 2 ways, for example, as 384120801 + 16313521 = 19599^2 + 4039^2 .

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 = 400434293 and 400434302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18922 + ... + 34042.

Almost surely, 2^400434322 is an apocalyptic number.

400434322 is a deficient number, since it is larger than the sum of its proper divisors (200302250).

400434322 is a wasteful number, since it uses less digits than its factorization.

400434322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28364.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 400434322 is about 20010.8551041678. The cubic root of 400434322 is about 737.0728792550.

Adding to 400434322 its reverse (223434004), we get a palindrome (623868326).

The spelling of 400434322 in words is "four hundred million, four hundred thirty-four thousand, three hundred twenty-two".