4539897 has 12 divisors (see below), whose sum is σ = 6710704. Its totient is φ = 2955960.

The previous prime is 4539883. The next prime is 4539907. The reversal of 4539897 is 7989354.

It is not a de Polignac number, because 4539897 - 2¹⁶ = 4474361 is a prime.

It is a super-2 number, since 2×4539897² = 41221329541218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4539817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5479 + ... + 6252.

Almost surely, 2^4539897 is an apocalyptic number.

It is an amenable number.

4539897 is a deficient number, since it is larger than the sum of its proper divisors (2170807).

4539897 is a wasteful number, since it uses less digits than its factorization.

4539897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11780 (or 11777 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 4539897 is about 2130.7034049816. The cubic root of 4539897 is about 165.5828423378.

The spelling of 4539897 in words is "four million, five hundred thirty-nine thousand, eight hundred ninety-seven".