4043493 has 8 divisors (see below), whose sum is σ = 5990400. Its totient is φ = 2695644.

The previous prime is 4043491. The next prime is 4043503. The reversal of 4043493 is 3943404.

It is not a de Polignac number, because 4043493 - 2¹ = 4043491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 149759 = 4043493 / (4 + 0 + 4 + 3 + 4 + 9 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043491) 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, 74853 + ... + 74906.

It is an arithmetic number, because the mean of its divisors is an integer number (748800).

Almost surely, 2^4043493 is an apocalyptic number.

It is an amenable number.

4043493 is a deficient number, since it is larger than the sum of its proper divisors (1946907).

4043493 is a wasteful number, since it uses less digits than its factorization.

4043493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149768 (or 149762 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 4043493 is about 2010.8438527146. The cubic root of 4043493 is about 159.3133727128.

Adding to 4043493 its reverse (3943404), we get a palindrome (7986897).

The spelling of 4043493 in words is "four million, forty-three thousand, four hundred ninety-three".