4897641 has 8 divisors (see below), whose sum is σ = 7463104. Its totient is φ = 2798640.

The previous prime is 4897639. The next prime is 4897681. The reversal of 4897641 is 1467984.

It is a happy number.

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

It is not a de Polignac number, because 4897641 - 2¹ = 4897639 is a prime.

It is a Duffinian number.

4897641 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4897641.

It is not an unprimeable number, because it can be changed into a prime (4897601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116590 + ... + 116631.

It is an arithmetic number, because the mean of its divisors is an integer number (932888).

Almost surely, 2^4897641 is an apocalyptic number.

It is an amenable number.

4897641 is a deficient number, since it is larger than the sum of its proper divisors (2565463).

4897641 is a wasteful number, since it uses less digits than its factorization.

4897641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233231.

The product of its digits is 48384, while the sum is 39.

The square root of 4897641 is about 2213.0614541851. The cubic root of 4897641 is about 169.8226639800.

The spelling of 4897641 in words is "four million, eight hundred ninety-seven thousand, six hundred forty-one".