434745 has 12 divisors (see below), whose sum is σ = 753636. Its totient is φ = 231840.

The previous prime is 434743. The next prime is 434761. The reversal of 434745 is 547434.

It can be written as a sum of positive squares in 2 ways, for example, as 45369 + 389376 = 213^2 + 624^2 .

It is not a de Polignac number, because 434745 - 2¹ = 434743 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4786 + ... + 4875.

It is an arithmetic number, because the mean of its divisors is an integer number (62803).

2⁴³⁴⁷⁴⁵ is an apocalyptic number.

434745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

434745 is a deficient number, since it is larger than the sum of its proper divisors (318891).

434745 is a wasteful number, since it uses less digits than its factorization.

434745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672 (or 9669 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 434745 is about 659.3519545736. The cubic root of 434745 is about 75.7550400202.

The spelling of 434745 in words is "four hundred thirty-four thousand, seven hundred forty-five".