4897665 has 48 divisors (see below), whose sum is σ = 9172800. Its totient is φ = 2503872.

The previous prime is 4897639. The next prime is 4897681. The reversal of 4897665 is 5667984.

It is not a de Polignac number, because 4897665 - 2⁶ = 4897601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4897665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35166 + ... + 35304.

It is an arithmetic number, because the mean of its divisors is an integer number (191100).

Almost surely, 2^4897665 is an apocalyptic number.

4897665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4897665 is a deficient number, since it is larger than the sum of its proper divisors (4275135).

4897665 is a wasteful number, since it uses less digits than its factorization.

4897665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 176 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 4897665 is about 2213.0668765313. The cubic root of 4897665 is about 169.8229413746.

The spelling of 4897665 in words is "four million, eight hundred ninety-seven thousand, six hundred sixty-five".