4539999 has 8 divisors (see below), whose sum is σ = 6065280. Its totient is φ = 3020696.

The previous prime is 4539989. The next prime is 4540007. The reversal of 4539999 is 9999354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4539999 is a prime.

It is a super-2 number, since 2×4539999² = 41223181840002, which contains 22 as substring.

4539999 is a modest number, since divided by 9999 gives 453 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772 + ... + 3110.

It is an arithmetic number, because the mean of its divisors is an integer number (758160).

Almost surely, 2^4539999 is an apocalyptic number.

4539999 is a deficient number, since it is larger than the sum of its proper divisors (1525281).

4539999 is a wasteful number, since it uses less digits than its factorization.

4539999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989.

The product of its digits is 393660, while the sum is 48.

The square root of 4539999 is about 2130.7273406046. The cubic root of 4539999 is about 165.5840824043.

The spelling of 4539999 in words is "four million, five hundred thirty-nine thousand, nine hundred ninety-nine".