546618399 has 4 divisors (see below), whose sum is σ = 728824536. Its totient is φ = 364412264.

The previous prime is 546618367. The next prime is 546618409. The reversal of 546618399 is 993816645.

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

It is a cyclic number.

It is not a de Polignac number, because 546618399 - 2⁵ = 546618367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546618349) 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, 91103064 + ... + 91103069.

It is an arithmetic number, because the mean of its divisors is an integer number (182206134).

Almost surely, 2^546618399 is an apocalyptic number.

546618399 is a deficient number, since it is larger than the sum of its proper divisors (182206137).

546618399 is a wasteful number, since it uses less digits than its factorization.

546618399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182206136.

The product of its digits is 1399680, while the sum is 51.

The square root of 546618399 is about 23379.8716634630. The cubic root of 546618399 is about 817.6386552310.

The spelling of 546618399 in words is "five hundred forty-six million, six hundred eighteen thousand, three hundred ninety-nine".