549412 has 6 divisors (see below), whose sum is σ = 961478. Its totient is φ = 274704.

The previous prime is 549403. The next prime is 549421. The reversal of 549412 is 214945.

It is an interprime number because it is at equal distance from previous prime (549403) and next prime (549421).

It can be written as a sum of positive squares in only one way, i.e., 401956 + 147456 = 634^2 + 384^2 .

It is an Ulam number.

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

It is a zygodrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68673 + ... + 68680.

2⁵⁴⁹⁴¹² is an apocalyptic number.

It is an amenable number.

549412 is a deficient number, since it is larger than the sum of its proper divisors (412066).

549412 is a wasteful number, since it uses less digits than its factorization.

549412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137357 (or 137355 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 549412 is about 741.2233131790. The cubic root of 549412 is about 81.9029190182.

It can be divided in two parts, 549 and 412, that added together give a square (961 = 31²).

The spelling of 549412 in words is "five hundred forty-nine thousand, four hundred twelve".