546039921 has 16 divisors (see below), whose sum is σ = 858902528. Its totient is φ = 301957200.

The previous prime is 546039919. The next prime is 546039931. The reversal of 546039921 is 129930645.

It is not a de Polignac number, because 546039921 - 2¹ = 546039919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 546039921.

It is not an unprimeable number, because it can be changed into a prime (546039931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418735 + ... + 420036.

It is an arithmetic number, because the mean of its divisors is an integer number (53681408).

Almost surely, 2^546039921 is an apocalyptic number.

It is an amenable number.

546039921 is a deficient number, since it is larger than the sum of its proper divisors (312862607).

546039921 is a wasteful number, since it uses less digits than its factorization.

546039921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838812.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 546039921 is about 23367.4971060231. The cubic root of 546039921 is about 817.3501218749.

The spelling of 546039921 in words is "five hundred forty-six million, thirty-nine thousand, nine hundred twenty-one".