4642443 has 12 divisors (see below), whose sum is σ = 7221760. Its totient is φ = 2856816.

The previous prime is 4642423. The next prime is 4642457. The reversal of 4642443 is 3442464.

It is not a de Polignac number, because 4642443 - 2²² = 448139 is a prime.

It is a d-powerful number, because it can be written as 4² + 6⁵ + 4⁵ + 2⁵ + 4⁹ + 4¹¹ + 3¹¹ .

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4642423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19723 + ... + 19956.

Almost surely, 2^4642443 is an apocalyptic number.

4642443 is a deficient number, since it is larger than the sum of its proper divisors (2579317).

4642443 is a wasteful number, since it uses less digits than its factorization.

4642443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39698 (or 39695 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 4642443 is about 2154.6329153710. The cubic root of 4642443 is about 166.8202854752.

The spelling of 4642443 in words is "four million, six hundred forty-two thousand, four hundred forty-three".