547998399 has 32 divisors (see below), whose sum is σ = 920326400. Its totient is φ = 319476960.

The previous prime is 547998397. The next prime is 547998401. The reversal of 547998399 is 993899745.

It is a happy number.

547998399 is a `hidden beast` number, since 547 + 9 + 9 + 83 + 9 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (547998397) and next prime (547998401).

It is not a de Polignac number, because 547998399 - 2¹ = 547998397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547998397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34417 + ... + 47754.

It is an arithmetic number, because the mean of its divisors is an integer number (28760200).

Almost surely, 2^547998399 is an apocalyptic number.

547998399 is a deficient number, since it is larger than the sum of its proper divisors (372328001).

547998399 is a wasteful number, since it uses less digits than its factorization.

547998399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82212 (or 82206 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 63.

The square root of 547998399 is about 23409.3656257490. The cubic root of 547998399 is about 818.3261507696.

The spelling of 547998399 in words is "five hundred forty-seven million, nine hundred ninety-eight thousand, three hundred ninety-nine".