4539996 has 48 divisors (see below), whose sum is σ = 11898880. Its totient is φ = 1496880.

The previous prime is 4539989. The next prime is 4540007. The reversal of 4539996 is 6999354.

It is a happy number.

It is a super-2 number, since 2×4539996² = 41223127360032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13551 + ... + 13881.

Almost surely, 2^4539996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4539996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5949440).

4539996 is an abundant number, since it is smaller than the sum of its proper divisors (7358884).

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

4539996 is a wasteful number, since it uses less digits than its factorization.

4539996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 463 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 4539996 is about 2130.7266366195. The cubic root of 4539996 is about 165.5840459320.

The spelling of 4539996 in words is "four million, five hundred thirty-nine thousand, nine hundred ninety-six".