434443442 has 4 divisors (see below), whose sum is σ = 651665166. Its totient is φ = 217221720.

The previous prime is 434443441. The next prime is 434443453. The reversal of 434443442 is 244344434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 347039641 + 87403801 = 18629^2 + 9349^2 .

It is a super-2 number, since 2×434443442² = 377482208593614728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 434443399 and 434443408.

It is not an unprimeable number, because it can be changed into a prime (434443441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108610859 + ... + 108610862.

Almost surely, 2^434443442 is an apocalyptic number.

434443442 is a deficient number, since it is larger than the sum of its proper divisors (217221724).

434443442 is a wasteful number, since it uses less digits than its factorization.

434443442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217221723.

The product of its digits is 73728, while the sum is 32.

The square root of 434443442 is about 20843.3068873440. The cubic root of 434443442 is about 757.3752030756.

Adding to 434443442 its reverse (244344434), we get a palindrome (678787876).

The spelling of 434443442 in words is "four hundred thirty-four million, four hundred forty-three thousand, four hundred forty-two".