434290 has 16 divisors (see below), whose sum is σ = 789912. Its totient is φ = 171904.

The previous prime is 434267. The next prime is 434293. The reversal of 434290 is 92434.

It can be written as a sum of positive squares in 4 ways, for example, as 257049 + 177241 = 507^2 + 421^2 .

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (434293) by changing a digit.

434290 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 in 7 ways as a sum of consecutive naturals, for example, 1212 + ... + 1528.

2⁴³⁴²⁹⁰ is an apocalyptic number.

434290 is a deficient number, since it is larger than the sum of its proper divisors (355622).

434290 is a wasteful number, since it uses less digits than its factorization.

434290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 434290 is about 659.0068284927. The cubic root of 434290 is about 75.7286026258.

The spelling of 434290 in words is "four hundred thirty-four thousand, two hundred ninety".