546205989 has 12 divisors (see below), whose sum is σ = 847176864. Its totient is φ = 312117624.

The previous prime is 546205973. The next prime is 546205993. The reversal of 546205989 is 989502645.

It is not a de Polignac number, because 546205989 - 2⁴ = 546205973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546205489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1857697 + ... + 1857990.

It is an arithmetic number, because the mean of its divisors is an integer number (70598072).

Almost surely, 2^546205989 is an apocalyptic number.

It is an amenable number.

546205989 is a deficient number, since it is larger than the sum of its proper divisors (300970875).

546205989 is a wasteful number, since it uses less digits than its factorization.

546205989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715704 (or 3715697 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 546205989 is about 23371.0502331410. The cubic root of 546205989 is about 817.4329741455.

The spelling of 546205989 in words is "five hundred forty-six million, two hundred five thousand, nine hundred eighty-nine".