4493749 has 4 divisors (see below), whose sum is σ = 4839436. Its totient is φ = 4148064.

The previous prime is 4493707. The next prime is 4493759. The reversal of 4493749 is 9473944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1483524 + 3010225 = 1218^2 + 1735^2 .

It is a cyclic number.

It is not a de Polignac number, because 4493749 - 2¹¹ = 4491701 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 (4493759) 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, 172824 + ... + 172849.

It is an arithmetic number, because the mean of its divisors is an integer number (1209859).

Almost surely, 2^4493749 is an apocalyptic number.

It is an amenable number.

4493749 is a deficient number, since it is larger than the sum of its proper divisors (345687).

4493749 is a wasteful number, since it uses less digits than its factorization.

4493749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345686.

The product of its digits is 108864, while the sum is 40.

The square root of 4493749 is about 2119.8464567039. The cubic root of 4493749 is about 165.0198812897.

The spelling of 4493749 in words is "four million, four hundred ninety-three thousand, seven hundred forty-nine".