546393966 has 16 divisors (see below), whose sum is σ = 1093878864. Its totient is φ = 181949504.

The previous prime is 546393943. The next prime is 546393983. The reversal of 546393966 is 669393645.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38871 + ... + 51026.

It is an arithmetic number, because the mean of its divisors is an integer number (68367429).

Almost surely, 2^546393966 is an apocalyptic number.

546393966 is an abundant number, since it is smaller than the sum of its proper divisors (547484898).

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

546393966 is a wasteful number, since it uses less digits than its factorization.

546393966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90915.

The product of its digits is 3149280, while the sum is 51.

The square root of 546393966 is about 23375.0714651314. The cubic root of 546393966 is about 817.5267366804.

The spelling of 546393966 in words is "five hundred forty-six million, three hundred ninety-three thousand, nine hundred sixty-six".