3873489 has 4 divisors (see below), whose sum is σ = 5164656. Its totient is φ = 2582324.

The previous prime is 3873487. The next prime is 3873491. The reversal of 3873489 is 9843783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3873487) and next prime (3873491).

It is a cyclic number.

It is not a de Polignac number, because 3873489 - 2¹ = 3873487 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3873489.

It is not an unprimeable number, because it can be changed into a prime (3873487) 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, 645579 + ... + 645584.

It is an arithmetic number, because the mean of its divisors is an integer number (1291164).

Almost surely, 2^3873489 is an apocalyptic number.

It is an amenable number.

3873489 is a deficient number, since it is larger than the sum of its proper divisors (1291167).

3873489 is a wasteful number, since it uses less digits than its factorization.

3873489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291166.

The product of its digits is 145152, while the sum is 42.

The square root of 3873489 is about 1968.1181366981. The cubic root of 3873489 is about 157.0486143690.

The spelling of 3873489 in words is "three million, eight hundred seventy-three thousand, four hundred eighty-nine".