4457493 has 6 divisors (see below), whose sum is σ = 6438614. Its totient is φ = 2971656.

The previous prime is 4457491. The next prime is 4457507. The reversal of 4457493 is 3947544.

It can be written as a sum of positive squares in only one way, i.e., 2331729 + 2125764 = 1527^2 + 1458^2 .

It is not a de Polignac number, because 4457493 - 2¹ = 4457491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4457491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247630 + ... + 247647.

Almost surely, 2^4457493 is an apocalyptic number.

It is an amenable number.

4457493 is a deficient number, since it is larger than the sum of its proper divisors (1981121).

4457493 is a wasteful number, since it uses less digits than its factorization.

4457493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495283 (or 495280 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 4457493 is about 2111.2775753084. The cubic root of 4457493 is about 164.5748836054.

It can be divided in two parts, 4457 and 493, that added together give a triangular number (4950 = T₉₉).

The spelling of 4457493 in words is "four million, four hundred fifty-seven thousand, four hundred ninety-three".