434734 has 4 divisors (see below), whose sum is σ = 652104. Its totient is φ = 217366.

The previous prime is 434719. The next prime is 434743. The reversal of 434734 is 437434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 437434 = 2 ⋅218717.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 434699 and 434708.

It is a congruent number.

It is an unprimeable number.

434734 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108682 + ... + 108685.

It is an arithmetic number, because the mean of its divisors is an integer number (163026).

2⁴³⁴⁷³⁴ is an apocalyptic number.

434734 is a deficient number, since it is larger than the sum of its proper divisors (217370).

434734 is a wasteful number, since it uses less digits than its factorization.

434734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217369.

The product of its digits is 4032, while the sum is 25.

The square root of 434734 is about 659.3436129970. The cubic root of 434734 is about 75.7544010920.

The spelling of 434734 in words is "four hundred thirty-four thousand, seven hundred thirty-four".