4493642 has 8 divisors (see below), whose sum is σ = 6752100. Its totient is φ = 2242944.

The previous prime is 4493597. The next prime is 4493647. The reversal of 4493642 is 2463944.

It can be written as a sum of positive squares in 2 ways, for example, as 4490161 + 3481 = 2119^2 + 59^2 .

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

It is a d-powerful number, because it can be written as 4⁶ + 4⁹ + 9² + 3⁵ + 6 + 4¹¹ + 2¹⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 4493599 and 4493608.

It is not an unprimeable number, because it can be changed into a prime (4493647) 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, 167 + ... + 3002.

Almost surely, 2^4493642 is an apocalyptic number.

4493642 is a deficient number, since it is larger than the sum of its proper divisors (2258458).

4493642 is a wasteful number, since it uses less digits than its factorization.

4493642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880.

The product of its digits is 20736, while the sum is 32.

The square root of 4493642 is about 2119.8212188767. The cubic root of 4493642 is about 165.0185715245.

The spelling of 4493642 in words is "four million, four hundred ninety-three thousand, six hundred forty-two".