549828446 has 16 divisors (see below), whose sum is σ = 834146208. Its totient is φ = 271788000.

The previous prime is 549828439. The next prime is 549828449. The reversal of 549828446 is 644828945.

It is a super-2 number, since 2×549828446² = 604622640061549832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 549828394 and 549828403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549828449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170711 + ... + 173901.

It is an arithmetic number, because the mean of its divisors is an integer number (52134138).

Almost surely, 2^549828446 is an apocalyptic number.

549828446 is a deficient number, since it is larger than the sum of its proper divisors (284317762).

549828446 is a wasteful number, since it uses less digits than its factorization.

549828446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147.

The product of its digits is 2211840, while the sum is 50.

The square root of 549828446 is about 23448.4209702914. The cubic root of 549828446 is about 819.2360751716.

The spelling of 549828446 in words is "five hundred forty-nine million, eight hundred twenty-eight thousand, four hundred forty-six".