434321042 has 16 divisors (see below), whose sum is σ = 656748312. Its totient is φ = 215412480.

The previous prime is 434321039. The next prime is 434321071. The reversal of 434321042 is 240123434.

It can be written as a sum of positive squares in 4 ways, for example, as 431434441 + 2886601 = 20771^2 + 1699^2 .

It is a junction number, because it is equal to n+sod(n) for n = 434320999 and 434321017.

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, 131888 + ... + 135140.

Almost surely, 2^434321042 is an apocalyptic number.

434321042 is a deficient number, since it is larger than the sum of its proper divisors (222427270).

434321042 is a wasteful number, since it uses less digits than its factorization.

434321042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 434321042 is about 20840.3704861502. The cubic root of 434321042 is about 757.3040688202.

Adding to 434321042 its reverse (240123434), we get a palindrome (674444476).

The spelling of 434321042 in words is "four hundred thirty-four million, three hundred twenty-one thousand, forty-two".