549004146 has 16 divisors (see below), whose sum is σ = 1102934784. Its totient is φ = 182180304.

The previous prime is 549004123. The next prime is 549004147. The reversal of 549004146 is 641400945.

It is not an unprimeable number, because it can be changed into a prime (549004147) by changing a digit.

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, 203821 + ... + 206496.

It is an arithmetic number, because the mean of its divisors is an integer number (68933424).

Almost surely, 2^549004146 is an apocalyptic number.

549004146 is an abundant number, since it is smaller than the sum of its proper divisors (553930638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549004146 is a wasteful number, since it uses less digits than its factorization.

549004146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410545.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 549004146 is about 23430.8375010370. The cubic root of 549004146 is about 818.8264722310.

The spelling of 549004146 in words is "five hundred forty-nine million, four thousand, one hundred forty-six".