434738 has 4 divisors (see below), whose sum is σ = 652110. Its totient is φ = 217368.

The previous prime is 434719. The next prime is 434743. The reversal of 434738 is 837434.

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., 418609 + 16129 = 647^2 + 127^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 434738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108683 + ... + 108686.

2⁴³⁴⁷³⁸ is an apocalyptic number.

434738 is a deficient number, since it is larger than the sum of its proper divisors (217372).

434738 is a wasteful number, since it uses less digits than its factorization.

434738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217371.

The product of its digits is 8064, while the sum is 29.

The square root of 434738 is about 659.3466463098. The cubic root of 434738 is about 75.7546334308.

The spelling of 434738 in words is "four hundred thirty-four thousand, seven hundred thirty-eight".