549069 has 4 divisors (see below), whose sum is σ = 732096. Its totient is φ = 366044.

The previous prime is 549037. The next prime is 549071. The reversal of 549069 is 960945.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 549069 - 2⁵ = 549037 is a prime.

It is a super-2 number, since 2×549069² = 602953533522, which contains 22 as substring.

It is a D-number.

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 549069.

It is not an unprimeable number, because it can be changed into a prime (549019) 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, 91509 + ... + 91514.

It is an arithmetic number, because the mean of its divisors is an integer number (183024).

2⁵⁴⁹⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

549069 is a deficient number, since it is larger than the sum of its proper divisors (183027).

549069 is a wasteful number, since it uses less digits than its factorization.

549069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183026.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 549069 is about 740.9919027898. The cubic root of 549069 is about 81.8858713688.

The spelling of 549069 in words is "five hundred forty-nine thousand, sixty-nine".