546643386 has 12 divisors (see below), whose sum is σ = 1184394042. Its totient is φ = 182214456.

The previous prime is 546643379. The next prime is 546643441. The reversal of 546643386 is 683346645.

It can be written as a sum of positive squares in only one way, i.e., 529874361 + 16769025 = 23019^2 + 4095^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15184521 + ... + 15184556.

Almost surely, 2^546643386 is an apocalyptic number.

546643386 is an abundant number, since it is smaller than the sum of its proper divisors (637750656).

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

546643386 is a wasteful number, since it uses less digits than its factorization.

546643386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30369085 (or 30369082 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The square root of 546643386 is about 23380.4060272699. The cubic root of 546643386 is about 817.6511136638.

The spelling of 546643386 in words is "five hundred forty-six million, six hundred forty-three thousand, three hundred eighty-six".