430734442 has 4 divisors (see below), whose sum is σ = 646101666. Its totient is φ = 215367220.

The previous prime is 430734433. The next prime is 430734449. The reversal of 430734442 is 244437034.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244437034 = 2 ⋅122218517.

It can be written as a sum of positive squares in only one way, i.e., 308388721 + 122345721 = 17561^2 + 11061^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (430734449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107683609 + ... + 107683612.

Almost surely, 2^430734442 is an apocalyptic number.

430734442 is a deficient number, since it is larger than the sum of its proper divisors (215367224).

430734442 is a wasteful number, since it uses less digits than its factorization.

430734442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215367223.

The product of its (nonzero) digits is 32256, while the sum is 31.

The square root of 430734442 is about 20754.1427671682. The cubic root of 430734442 is about 755.2137119959.

The spelling of 430734442 in words is "four hundred thirty million, seven hundred thirty-four thousand, four hundred forty-two".