549474039 has 24 divisors (see below), whose sum is σ = 836739072. Its totient is φ = 346948560.

The previous prime is 549474011. The next prime is 549474043. The reversal of 549474039 is 930474945.

It is a happy number.

549474039 is a `hidden beast` number, since 549 + 4 + 74 + 0 + 39 = 666.

It is not a de Polignac number, because 549474039 - 2¹⁷ = 549342967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549473985 and 549474003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549424039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7839 + ... + 34064.

It is an arithmetic number, because the mean of its divisors is an integer number (34864128).

Almost surely, 2^549474039 is an apocalyptic number.

549474039 is a deficient number, since it is larger than the sum of its proper divisors (287265033).

549474039 is a wasteful number, since it uses less digits than its factorization.

549474039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41987 (or 41984 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 549474039 is about 23440.8625907836. The cubic root of 549474039 is about 819.0600169805.

The spelling of 549474039 in words is "five hundred forty-nine million, four hundred seventy-four thousand, thirty-nine".