546889381 has 4 divisors (see below), whose sum is σ = 547004032. Its totient is φ = 546774732.

The previous prime is 546889373. The next prime is 546889391. The reversal of 546889381 is 183988645.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 546889381 - 2³ = 546889373 is a prime.

It is a super-2 number, since 2×546889381² = 598175990101126322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546889391) 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, 49845 + ... + 59818.

It is an arithmetic number, because the mean of its divisors is an integer number (136751008).

Almost surely, 2^546889381 is an apocalyptic number.

It is an amenable number.

546889381 is a deficient number, since it is larger than the sum of its proper divisors (114651).

546889381 is a wasteful number, since it uses less digits than its factorization.

546889381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114650.

The product of its digits is 1658880, while the sum is 52.

The square root of 546889381 is about 23385.6661440293. Note that the first 3 decimals coincide. The cubic root of 546889381 is about 817.7737456679.

It can be divided in two parts, 5468 and 89381, that added together give a palindrome (94849).

The spelling of 546889381 in words is "five hundred forty-six million, eight hundred eighty-nine thousand, three hundred eighty-one".