549294004 has 96 divisors (see below), whose sum is σ = 1226244096. Its totient is φ = 209763840.

The previous prime is 549293989. The next prime is 549294007. The reversal of 549294004 is 400492945.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549294007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1433997 + ... + 1434379.

It is an arithmetic number, because the mean of its divisors is an integer number (12773376).

Almost surely, 2^549294004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549294004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613122048).

549294004 is an abundant number, since it is smaller than the sum of its proper divisors (676950092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549294004 is a wasteful number, since it uses less digits than its factorization.

549294004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 549294004 is about 23437.0220804606. The cubic root of 549294004 is about 818.9705522878.

The spelling of 549294004 in words is "five hundred forty-nine million, two hundred ninety-four thousand, four".