4100389 has 4 divisors (see below), whose sum is σ = 4111756. Its totient is φ = 4089024.

The previous prime is 4100381. The next prime is 4100399. The reversal of 4100389 is 9830014.

4100389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1404225 + 2696164 = 1185^2 + 1642^2 .

It is a cyclic number.

It is not a de Polignac number, because 4100389 - 2³ = 4100381 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4100381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5124 + ... + 5869.

It is an arithmetic number, because the mean of its divisors is an integer number (1027939).

Almost surely, 2^4100389 is an apocalyptic number.

It is an amenable number.

4100389 is a deficient number, since it is larger than the sum of its proper divisors (11367).

4100389 is a wasteful number, since it uses less digits than its factorization.

4100389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11366.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4100389 is about 2024.9417275566. The cubic root of 4100389 is about 160.0571280375.

It can be divided in two parts, 4100 and 389, that added together give a square (4489 = 67²).

The spelling of 4100389 in words is "four million, one hundred thousand, three hundred eighty-nine".