4237393 has 4 divisors (see below), whose sum is σ = 4383540. Its totient is φ = 4091248.

The previous prime is 4237333. The next prime is 4237397. The reversal of 4237393 is 3937324.

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 2930944 + 1306449 = 1712^2 + 1143^2 .

It is a cyclic number.

It is not a de Polignac number, because 4237393 - 2¹⁷ = 4106321 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4¹⁰ + 2⁷ + 3³ + 7 + 3¹³ + 9 + 3¹³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4237397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73030 + ... + 73087.

It is an arithmetic number, because the mean of its divisors is an integer number (1095885).

Almost surely, 2^4237393 is an apocalyptic number.

It is an amenable number.

4237393 is a deficient number, since it is larger than the sum of its proper divisors (146147).

4237393 is a wasteful number, since it uses less digits than its factorization.

4237393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146146.

The product of its digits is 13608, while the sum is 31.

The square root of 4237393 is about 2058.4928952999. The cubic root of 4237393 is about 161.8202675683.

The spelling of 4237393 in words is "four million, two hundred thirty-seven thousand, three hundred ninety-three".