2393693 has 4 divisors (see below), whose sum is σ = 2400828. Its totient is φ = 2386560.

The previous prime is 2393687. The next prime is 2393707. The reversal of 2393693 is 3963932.

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 1006009 + 1387684 = 1003^2 + 1178^2 .

It is a cyclic number.

It is not a de Polignac number, because 2393693 - 2¹⁰ = 2392669 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²¹ + 3¹⁰ + 9⁵ + 3¹⁰ + 6⁴ + 9⁵ + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2393653) 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, 3038 + ... + 3743.

It is an arithmetic number, because the mean of its divisors is an integer number (600207).

2^2393693 is an apocalyptic number.

It is an amenable number.

2393693 is a deficient number, since it is larger than the sum of its proper divisors (7135).

2393693 is an equidigital number, since it uses as much as digits as its factorization.

2393693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134.

The product of its digits is 26244, while the sum is 35.

The square root of 2393693 is about 1547.1564238951. The cubic root of 2393693 is about 133.7692061976.

The spelling of 2393693 in words is "two million, three hundred ninety-three thousand, six hundred ninety-three".