434090243 has 4 divisors (see below), whose sum is σ = 434167368. Its totient is φ = 434013120.

The previous prime is 434090197. The next prime is 434090263. The reversal of 434090243 is 342090434.

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

It is a cyclic number.

It is not a de Polignac number, because 434090243 - 2⁸ = 434089987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434090263) 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, 29393 + ... + 41618.

It is an arithmetic number, because the mean of its divisors is an integer number (108541842).

Almost surely, 2^434090243 is an apocalyptic number.

434090243 is a deficient number, since it is larger than the sum of its proper divisors (77125).

434090243 is an equidigital number, since it uses as much as digits as its factorization.

434090243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77124.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 434090243 is about 20834.8324447306. The cubic root of 434090243 is about 757.1699007937.

The spelling of 434090243 in words is "four hundred thirty-four million, ninety thousand, two hundred forty-three".