549421834 has 16 divisors (see below), whose sum is σ = 888321672. Its totient is φ = 253352448.

The previous prime is 549421813. The next prime is 549421949. The reversal of 549421834 is 438124945.

It can be written as a sum of positive squares in 4 ways, for example, as 496175625 + 53246209 = 22275^2 + 7297^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22162 + ... + 39874.

Almost surely, 2^549421834 is an apocalyptic number.

549421834 is a deficient number, since it is larger than the sum of its proper divisors (338899838).

549421834 is a wasteful number, since it uses less digits than its factorization.

549421834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18921.

The product of its digits is 138240, while the sum is 40.

The square root of 549421834 is about 23439.7490174276. The cubic root of 549421834 is about 819.0340767908.

The spelling of 549421834 in words is "five hundred forty-nine million, four hundred twenty-one thousand, eight hundred thirty-four".