4913643 has 8 divisors (see below), whose sum is σ = 7487488. Its totient is φ = 2807784.

The previous prime is 4913639. The next prime is 4913677. The reversal of 4913643 is 3463194.

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

It is not a de Polignac number, because 4913643 - 2² = 4913639 is a prime.

It is a super-3 number, since 3×4913643³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4913643.

It is not an unprimeable number, because it can be changed into a prime (4913603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116971 + ... + 117012.

It is an arithmetic number, because the mean of its divisors is an integer number (935936).

Almost surely, 2^4913643 is an apocalyptic number.

4913643 is a deficient number, since it is larger than the sum of its proper divisors (2573845).

4913643 is a wasteful number, since it uses less digits than its factorization.

4913643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233993.

The product of its digits is 7776, while the sum is 30.

The square root of 4913643 is about 2216.6738596375. The cubic root of 4913643 is about 170.0074160548.

The spelling of 4913643 in words is "four million, nine hundred thirteen thousand, six hundred forty-three".