546838646 has 4 divisors (see below), whose sum is σ = 820257972. Its totient is φ = 273419322.

The previous prime is 546838637. The next prime is 546838679. The reversal of 546838646 is 646838645.

It is a happy number.

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

It is a super-2 number, since 2×546838646² = 598065009518226632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 546838594 and 546838603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136709660 + ... + 136709663.

It is an arithmetic number, because the mean of its divisors is an integer number (205064493).

Almost surely, 2^546838646 is an apocalyptic number.

546838646 is a deficient number, since it is larger than the sum of its proper divisors (273419326).

546838646 is a wasteful number, since it uses less digits than its factorization.

546838646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273419325.

The product of its digits is 3317760, while the sum is 50.

The square root of 546838646 is about 23384.5813732040. The cubic root of 546838646 is about 817.7484565598.

Subtracting 546838646 from its reverse (646838645), we obtain a palindrome (99999999).

The spelling of 546838646 in words is "five hundred forty-six million, eight hundred thirty-eight thousand, six hundred forty-six".