4539669 has 8 divisors (see below), whose sum is σ = 6138432. Its totient is φ = 2983680.

The previous prime is 4539659. The next prime is 4539673. The reversal of 4539669 is 9669354.

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

It is not a de Polignac number, because 4539669 - 2⁴ = 4539653 is a prime.

It is a super-2 number, since 2×4539669² = 41217189259122, which contains 22 as substring.

It is a Curzon number.

4539669 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4539669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539649) 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, 10444 + ... + 10869.

It is an arithmetic number, because the mean of its divisors is an integer number (767304).

Almost surely, 2^4539669 is an apocalyptic number.

It is an amenable number.

4539669 is a deficient number, since it is larger than the sum of its proper divisors (1598763).

4539669 is a wasteful number, since it uses less digits than its factorization.

4539669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21387.

The product of its digits is 174960, while the sum is 42.

The square root of 4539669 is about 2130.6499008519. The cubic root of 4539669 is about 165.5800703571.

It can be divided in two parts, 45 and 39669, that multiplied together give a triangular number (1785105 = T₁₈₈₉).

The spelling of 4539669 in words is "four million, five hundred thirty-nine thousand, six hundred sixty-nine".