549974 has 16 divisors (see below), whose sum is σ = 892080. Its totient is φ = 253440.

The previous prime is 549949. The next prime is 549977. The reversal of 549974 is 479945.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549977) by changing a digit.

549974 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382 + ... + 1734.

It is an arithmetic number, because the mean of its divisors is an integer number (55755).

2⁵⁴⁹⁹⁷⁴ is an apocalyptic number.

549974 is a deficient number, since it is larger than the sum of its proper divisors (342106).

549974 is a wasteful number, since it uses less digits than its factorization.

549974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415.

The product of its digits is 45360, while the sum is 38.

The square root of 549974 is about 741.6023193060. The cubic root of 549974 is about 81.9308359880.

The spelling of 549974 in words is "five hundred forty-nine thousand, nine hundred seventy-four".