4639743 has 24 divisors (see below), whose sum is σ = 7230080. Its totient is φ = 2857680.

The previous prime is 4639741. The next prime is 4639751. The reversal of 4639743 is 3479364.

It is not a de Polignac number, because 4639743 - 2¹ = 4639741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4639698 and 4639707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4639741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7038 + ... + 7668.

Almost surely, 2^4639743 is an apocalyptic number.

4639743 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4639743 is a deficient number, since it is larger than the sum of its proper divisors (2590337).

4639743 is a wasteful number, since it uses less digits than its factorization.

4639743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 696 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 4639743 is about 2154.0062674004. The cubic root of 4639743 is about 166.7879388481.

The spelling of 4639743 in words is "four million, six hundred thirty-nine thousand, seven hundred forty-three".