549398460 has 48 divisors (see below), whose sum is σ = 1656650016. Its totient is φ = 135236352.

The previous prime is 549398453. The next prime is 549398467. The reversal of 549398460 is 64893945.

It is an interprime number because it is at equal distance from previous prime (549398453) and next prime (549398467).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549398467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351399 + ... + 352958.

It is an arithmetic number, because the mean of its divisors is an integer number (34513542).

Almost surely, 2^549398460 is an apocalyptic number.

It is an amenable number.

549398460 is an abundant number, since it is smaller than the sum of its proper divisors (1107251556).

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

549398460 is a wasteful number, since it uses less digits than its factorization.

549398460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704382 (or 704380 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 549398460 is about 23439.2504146357. The cubic root of 549398460 is about 819.0224619302.

The spelling of 549398460 in words is "five hundred forty-nine million, three hundred ninety-eight thousand, four hundred sixty".