549196208 has 40 divisors (see below), whose sum is σ = 1211279616. Its totient is φ = 238779200.

The previous prime is 549196199. The next prime is 549196213. The reversal of 549196208 is 802691945.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63788 + ... + 71883.

Almost surely, 2^549196208 is an apocalyptic number.

549196208 is the 12527-th centered heptagonal number.

It is an amenable number.

549196208 is an abundant number, since it is smaller than the sum of its proper divisors (662083408).

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

549196208 is a wasteful number, since it uses less digits than its factorization.

549196208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135713 (or 135707 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 549196208 is about 23434.9356303788. The cubic root of 549196208 is about 818.9219463821.

The spelling of 549196208 in words is "five hundred forty-nine million, one hundred ninety-six thousand, two hundred eight".