4898643 has 4 divisors (see below), whose sum is σ = 6531528. Its totient is φ = 3265760.

The previous prime is 4898633. The next prime is 4898653. The reversal of 4898643 is 3468984.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4898633) and next prime (4898653).

It is a cyclic number.

It is not a de Polignac number, because 4898643 - 2⁴ = 4898627 is a prime.

It is a D-number.

4898643 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4898595 and 4898604.

It is not an unprimeable number, because it can be changed into a prime (4898623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816438 + ... + 816443.

It is an arithmetic number, because the mean of its divisors is an integer number (1632882).

Almost surely, 2^4898643 is an apocalyptic number.

4898643 is a deficient number, since it is larger than the sum of its proper divisors (1632885).

4898643 is a wasteful number, since it uses less digits than its factorization.

4898643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632884.

The product of its digits is 165888, while the sum is 42.

The square root of 4898643 is about 2213.2878258374. The cubic root of 4898643 is about 169.8342444331.

The spelling of 4898643 in words is "four million, eight hundred ninety-eight thousand, six hundred forty-three".