4075389 has 6 divisors (see below), whose sum is σ = 5886686. Its totient is φ = 2716920.

The previous prime is 4075369. The next prime is 4075391. The reversal of 4075389 is 9835704.

It can be written as a sum of positive squares in only one way, i.e., 2340900 + 1734489 = 1530^2 + 1317^2 .

It is not a de Polignac number, because 4075389 - 2⁸ = 4075133 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4075319) 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, 226402 + ... + 226419.

Almost surely, 2^4075389 is an apocalyptic number.

It is an amenable number.

4075389 is a deficient number, since it is larger than the sum of its proper divisors (1811297).

4075389 is a wasteful number, since it uses less digits than its factorization.

4075389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452827 (or 452824 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 4075389 is about 2018.7592724245. The cubic root of 4075389 is about 159.7311761931.

The spelling of 4075389 in words is "four million, seventy-five thousand, three hundred eighty-nine".