4165493 has 4 divisors (see below), whose sum is σ = 4410540. Its totient is φ = 3920448.

The previous prime is 4165489. The next prime is 4165517. The reversal of 4165493 is 3945614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3945614 = 2 ⋅1972807.

It can be written as a sum of positive squares in 2 ways, for example, as 3912484 + 253009 = 1978^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 4165493 - 2² = 4165489 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 (4165463) 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, 122498 + ... + 122531.

It is an arithmetic number, because the mean of its divisors is an integer number (1102635).

Almost surely, 2^4165493 is an apocalyptic number.

It is an amenable number.

4165493 is a deficient number, since it is larger than the sum of its proper divisors (245047).

4165493 is a wasteful number, since it uses less digits than its factorization.

4165493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245046.

The product of its digits is 12960, while the sum is 32.

The square root of 4165493 is about 2040.9539436254. The cubic root of 4165493 is about 160.8997871793.

The spelling of 4165493 in words is "four million, one hundred sixty-five thousand, four hundred ninety-three".