434981 has 2 divisors, whose sum is σ = 434982. Its totient is φ = 434980.

The previous prime is 434977. The next prime is 434989. The reversal of 434981 is 189434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312481 + 122500 = 559^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 434981 - 2² = 434977 is a prime.

It is a super-2 number, since 2×434981² = 378416940722, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217490 + 217491.

It is an arithmetic number, because the mean of its divisors is an integer number (217491).

2⁴³⁴⁹⁸¹ is an apocalyptic number.

It is an amenable number.

434981 is a deficient number, since it is larger than the sum of its proper divisors (1).

434981 is an equidigital number, since it uses as much as digits as its factorization.

434981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 434981 is about 659.5308938935. The cubic root of 434981 is about 75.7687453381.

The spelling of 434981 in words is "four hundred thirty-four thousand, nine hundred eighty-one".