549698 has 8 divisors (see below), whose sum is σ = 829440. Its totient is φ = 273220.

The previous prime is 549691. The next prime is 549701. The reversal of 549698 is 896945.

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

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549698.

It is not an unprimeable number, because it can be changed into a prime (549691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338 + ... + 1101.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

2⁵⁴⁹⁶⁹⁸ is an apocalyptic number.

549698 is a deficient number, since it is larger than the sum of its proper divisors (279742).

549698 is a wasteful number, since it uses less digits than its factorization.

549698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632.

The product of its digits is 77760, while the sum is 41.

The square root of 549698 is about 741.4162123936. The cubic root of 549698 is about 81.9171282524.

The spelling of 549698 in words is "five hundred forty-nine thousand, six hundred ninety-eight".