4539397 has 8 divisors (see below), whose sum is σ = 4740120. Its totient is φ = 4343040.

The previous prime is 4539383. The next prime is 4539413. The reversal of 4539397 is 7939354.

It can be written as a sum of positive squares in 4 ways, for example, as 829921 + 3709476 = 911^2 + 1926^2 .

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-4539397 is a prime.

It is a super-2 number, since 2×4539397² = 41212250247218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129 + ... + 3217.

It is an arithmetic number, because the mean of its divisors is an integer number (592515).

Almost surely, 2^4539397 is an apocalyptic number.

It is an amenable number.

4539397 is a deficient number, since it is larger than the sum of its proper divisors (200723).

4539397 is a wasteful number, since it uses less digits than its factorization.

4539397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183.

The product of its digits is 102060, while the sum is 40.

The square root of 4539397 is about 2130.5860696062. The cubic root of 4539397 is about 165.5767633114.

The spelling of 4539397 in words is "four million, five hundred thirty-nine thousand, three hundred ninety-seven".