546919891 has 8 divisors (see below), whose sum is σ = 629823744. Its totient is φ = 465209160.

The previous prime is 546919873. The next prime is 546919897. The reversal of 546919891 is 198919645.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 546919891 - 2⁹ = 546919379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (546919897) 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, 297295 + ... + 299128.

It is an arithmetic number, because the mean of its divisors is an integer number (78727968).

Almost surely, 2^546919891 is an apocalyptic number.

546919891 is a deficient number, since it is larger than the sum of its proper divisors (82903853).

546919891 is a wasteful number, since it uses less digits than its factorization.

546919891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596561.

The product of its digits is 699840, while the sum is 52.

The square root of 546919891 is about 23386.3184575940. The cubic root of 546919891 is about 817.7889527731.

The spelling of 546919891 in words is "five hundred forty-six million, nine hundred nineteen thousand, eight hundred ninety-one".