549434 has 8 divisors (see below), whose sum is σ = 852660. Its totient is φ = 265216.

The previous prime is 549431. The next prime is 549443. The reversal of 549434 is 434945.

It can be written as a sum of positive squares in 2 ways, for example, as 494209 + 55225 = 703^2 + 235^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

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

It is a junction number, because it is equal to n+sod(n) for n = 549397 and 549406.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549434.

It is not an unprimeable number, because it can be changed into a prime (549431) 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, 4679 + ... + 4794.

2⁵⁴⁹⁴³⁴ is an apocalyptic number.

549434 is a deficient number, since it is larger than the sum of its proper divisors (303226).

549434 is a wasteful number, since it uses less digits than its factorization.

549434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504.

The product of its digits is 8640, while the sum is 29.

The square root of 549434 is about 741.2381533623. The cubic root of 549434 is about 81.9040122112.

The spelling of 549434 in words is "five hundred forty-nine thousand, four hundred thirty-four".