546479391 has 4 divisors (see below), whose sum is σ = 728639192. Its totient is φ = 364319592.

The previous prime is 546479383. The next prime is 546479411. The reversal of 546479391 is 193974645.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 546479391 - 2³ = 546479383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 546479391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546479371) 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, 91079896 + ... + 91079901.

It is an arithmetic number, because the mean of its divisors is an integer number (182159798).

Almost surely, 2^546479391 is an apocalyptic number.

546479391 is a deficient number, since it is larger than the sum of its proper divisors (182159801).

546479391 is a wasteful number, since it uses less digits than its factorization.

546479391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182159800.

The product of its digits is 816480, while the sum is 48.

The square root of 546479391 is about 23376.8986608575. The cubic root of 546479391 is about 817.5693393850.

The spelling of 546479391 in words is "five hundred forty-six million, four hundred seventy-nine thousand, three hundred ninety-one".