546981943 has 8 divisors (see below), whose sum is σ = 560775600. Its totient is φ = 533209920.

The previous prime is 546981931. The next prime is 546981959. The reversal of 546981943 is 349189645.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 546981943 - 2⁹ = 546981431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546981923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53833 + ... + 63181.

It is an arithmetic number, because the mean of its divisors is an integer number (70096950).

Almost surely, 2^546981943 is an apocalyptic number.

546981943 is a deficient number, since it is larger than the sum of its proper divisors (13793657).

546981943 is a wasteful number, since it uses less digits than its factorization.

546981943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10817.

The product of its digits is 933120, while the sum is 49.

The square root of 546981943 is about 23387.6450930828. The cubic root of 546981943 is about 817.8198796187.

The spelling of 546981943 in words is "five hundred forty-six million, nine hundred eighty-one thousand, nine hundred forty-three".