545861386 has 16 divisors (see below), whose sum is σ = 946278720. Its totient is φ = 231311520.

The previous prime is 545861359. The next prime is 545861399. The reversal of 545861386 is 683168545.

It is an unprimeable number.

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, 217800 + ... + 220291.

It is an arithmetic number, because the mean of its divisors is an integer number (59142420).

Almost surely, 2^545861386 is an apocalyptic number.

545861386 is a deficient number, since it is larger than the sum of its proper divisors (400417334).

545861386 is a wasteful number, since it uses less digits than its factorization.

545861386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438189.

The product of its digits is 691200, while the sum is 46.

The square root of 545861386 is about 23363.6766370364. The cubic root of 545861386 is about 817.2610310072.

The spelling of 545861386 in words is "five hundred forty-five million, eight hundred sixty-one thousand, three hundred eighty-six".