549474146 has 16 divisors (see below), whose sum is σ = 888015744. Its totient is φ = 253488144.

The previous prime is 549474143. The next prime is 549474179. The reversal of 549474146 is 641474945.

It is a junction number, because it is equal to n+sod(n) for n = 549474097 and 549474106.

It is not an unprimeable number, because it can be changed into a prime (549474143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85481 + ... + 91683.

It is an arithmetic number, because the mean of its divisors is an integer number (55500984).

Almost surely, 2^549474146 is an apocalyptic number.

549474146 is a deficient number, since it is larger than the sum of its proper divisors (338541598).

549474146 is a wasteful number, since it uses less digits than its factorization.

549474146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9625.

The product of its digits is 483840, while the sum is 44.

The square root of 549474146 is about 23440.8648731227. The cubic root of 549474146 is about 819.0600701461.

The spelling of 549474146 in words is "five hundred forty-nine million, four hundred seventy-four thousand, one hundred forty-six".