4393873 has 6 divisors (see below), whose sum is σ = 4829762. Its totient is φ = 3994320.

The previous prime is 4393853. The next prime is 4393903. The reversal of 4393873 is 3783934.

It can be written as a sum of positive squares in only one way, i.e., 2982529 + 1411344 = 1727^2 + 1188^2 .

It is not a de Polignac number, because 4393873 - 2¹³ = 4385681 is a prime.

It is a super-2 number, since 2×4393873² = 38612239880258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4¹¹ + 3⁷ + 9³ + 3⁷ + 8³ + 7⁵ + 3¹¹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4393813) 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, 18036 + ... + 18277.

Almost surely, 2^4393873 is an apocalyptic number.

It is an amenable number.

4393873 is a deficient number, since it is larger than the sum of its proper divisors (435889).

4393873 is a wasteful number, since it uses less digits than its factorization.

4393873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36335 (or 36324 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 4393873 is about 2096.1567212401. The cubic root of 4393873 is about 163.7881584635.

The spelling of 4393873 in words is "four million, three hundred ninety-three thousand, eight hundred seventy-three".