543890434 has 8 divisors (see below), whose sum is σ = 817721100. Its totient is φ = 271316736.

The previous prime is 543890429. The next prime is 543890437. The reversal of 543890434 is 434098345.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 473280025 + 70610409 = 21755^2 + 8403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (543890437) 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, 313159 + ... + 314890.

Almost surely, 2^543890434 is an apocalyptic number.

543890434 is a deficient number, since it is larger than the sum of its proper divisors (273830666).

543890434 is a wasteful number, since it uses less digits than its factorization.

543890434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628484.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 543890434 is about 23321.4586593549. The cubic root of 543890434 is about 816.2762114803.

The spelling of 543890434 in words is "five hundred forty-three million, eight hundred ninety thousand, four hundred thirty-four".