434981873 has 4 divisors (see below), whose sum is σ = 460569060. Its totient is φ = 409394688.

The previous prime is 434981867. The next prime is 434981903. The reversal of 434981873 is 378189434.

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

It can be written as a sum of positive squares in 2 ways, for example, as 362255089 + 72726784 = 19033^2 + 8528^2 .

It is a cyclic number.

It is not a de Polignac number, because 434981873 - 2²⁸ = 166546417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (434981803) 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, 12793568 + ... + 12793601.

It is an arithmetic number, because the mean of its divisors is an integer number (115142265).

Almost surely, 2^434981873 is an apocalyptic number.

It is an amenable number.

434981873 is a deficient number, since it is larger than the sum of its proper divisors (25587187).

434981873 is a wasteful number, since it uses less digits than its factorization.

434981873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25587186.

The product of its digits is 580608, while the sum is 47.

The square root of 434981873 is about 20856.2190485236. The cubic root of 434981873 is about 757.6879602700.

The spelling of 434981873 in words is "four hundred thirty-four million, nine hundred eighty-one thousand, eight hundred seventy-three".