434491 has 4 divisors (see below), whose sum is σ = 446272. Its totient is φ = 422712.

The previous prime is 434479. The next prime is 434501. The reversal of 434491 is 194434.

It is a happy number.

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 434491 - 2⁵ = 434459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434411) 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, 5835 + ... + 5908.

It is an arithmetic number, because the mean of its divisors is an integer number (111568).

2⁴³⁴⁴⁹¹ is an apocalyptic number.

434491 is a deficient number, since it is larger than the sum of its proper divisors (11781).

434491 is a wasteful number, since it uses less digits than its factorization.

434491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11780.

The product of its digits is 1728, while the sum is 25.

The square root of 434491 is about 659.1593130648. The cubic root of 434491 is about 75.7402838384.

The spelling of 434491 in words is "four hundred thirty-four thousand, four hundred ninety-one".