4539697 has 8 divisors (see below), whose sum is σ = 4858056. Its totient is φ = 4227072.

The previous prime is 4539679. The next prime is 4539701. The reversal of 4539697 is 7969354.

It can be written as a sum of positive squares in 4 ways, for example, as 2217121 + 2322576 = 1489^2 + 1524^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4539697 - 2⁷ = 4539569 is a prime.

4539697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4539607) 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, 273 + ... + 3025.

It is an arithmetic number, because the mean of its divisors is an integer number (607257).

Almost surely, 2^4539697 is an apocalyptic number.

It is an amenable number.

4539697 is a deficient number, since it is larger than the sum of its proper divisors (318359).

4539697 is a wasteful number, since it uses less digits than its factorization.

4539697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867.

The product of its digits is 204120, while the sum is 43.

The square root of 4539697 is about 2130.6564716068. The cubic root of 4539697 is about 165.5804107808.

The spelling of 4539697 in words is "four million, five hundred thirty-nine thousand, six hundred ninety-seven".