546239780 has 12 divisors (see below), whose sum is σ = 1147103580. Its totient is φ = 218495904.

The previous prime is 546239779. The next prime is 546239791. The reversal of 546239780 is 87932645.

It can be written as a sum of positive squares in 2 ways, for example, as 168948004 + 377291776 = 12998^2 + 19424^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13655975 + ... + 13656014.

It is an arithmetic number, because the mean of its divisors is an integer number (95591965).

Almost surely, 2^546239780 is an apocalyptic number.

It is an amenable number.

546239780 is an abundant number, since it is smaller than the sum of its proper divisors (600863800).

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

546239780 is a wasteful number, since it uses less digits than its factorization.

546239780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27311998 (or 27311996 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 546239780 is about 23371.7731462549. The cubic root of 546239780 is about 817.4498306115.

The spelling of 546239780 in words is "five hundred forty-six million, two hundred thirty-nine thousand, seven hundred eighty".