546979646 has 8 divisors (see below), whose sum is σ = 828435504. Its totient is φ = 270834480.

The previous prime is 546979637. The next prime is 546979649. The reversal of 546979646 is 646979645.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 546979591 and 546979600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546979649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327415 + ... + 1327826.

It is an arithmetic number, because the mean of its divisors is an integer number (103554438).

Almost surely, 2^546979646 is an apocalyptic number.

546979646 is a deficient number, since it is larger than the sum of its proper divisors (281455858).

546979646 is a wasteful number, since it uses less digits than its factorization.

546979646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655346.

The product of its digits is 9797760, while the sum is 56.

The square root of 546979646 is about 23387.5959859067. The cubic root of 546979646 is about 817.8187348308.

Subtracting 546979646 from its reverse (646979645), we obtain a palindrome (99999999).

The spelling of 546979646 in words is "five hundred forty-six million, nine hundred seventy-nine thousand, six hundred forty-six".