434393 has 4 divisors (see below), whose sum is σ = 436020. Its totient is φ = 432768.

The previous prime is 434389. The next prime is 434407. The reversal of 434393 is 393434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 393434 = 2 ⋅196717.

It can be written as a sum of positive squares in 2 ways, for example, as 238144 + 196249 = 488^2 + 443^2 .

It is a cyclic number.

It is not a de Polignac number, because 434393 - 2² = 434389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (434303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308 + ... + 981.

It is an arithmetic number, because the mean of its divisors is an integer number (109005).

2⁴³⁴³⁹³ is an apocalyptic number.

It is an amenable number.

434393 is a deficient number, since it is larger than the sum of its proper divisors (1627).

434393 is a wasteful number, since it uses less digits than its factorization.

434393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626.

The product of its digits is 3888, while the sum is 26.

The square root of 434393 is about 659.0849717601. The cubic root of 434393 is about 75.7345889710.

The spelling of 434393 in words is "four hundred thirty-four thousand, three hundred ninety-three".