3873439 has 4 divisors (see below), whose sum is σ = 3937000. Its totient is φ = 3809880.

The previous prime is 3873437. The next prime is 3873461. The reversal of 3873439 is 9343783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3873439 - 2¹ = 3873437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3873398 and 3873407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3873431) 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, 31689 + ... + 31810.

It is an arithmetic number, because the mean of its divisors is an integer number (984250).

Almost surely, 2^3873439 is an apocalyptic number.

3873439 is a deficient number, since it is larger than the sum of its proper divisors (63561).

3873439 is an equidigital number, since it uses as much as digits as its factorization.

3873439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63560.

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

The square root of 3873439 is about 1968.1054341676. The cubic root of 3873439 is about 157.0479386247.

The spelling of 3873439 in words is "three million, eight hundred seventy-three thousand, four hundred thirty-nine".