3892489 has 4 divisors (see below), whose sum is σ = 3983056. Its totient is φ = 3801924.

The previous prime is 3892481. The next prime is 3892519. The reversal of 3892489 is 9842983.

It is a happy number.

3892489 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9842983 = 17 ⋅578999.

It is a cyclic number.

It is not a de Polignac number, because 3892489 - 2³ = 3892481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 90523 = 3892489 / (3 + 8 + 9 + 2 + 4 + 8 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3892481) 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, 45219 + ... + 45304.

It is an arithmetic number, because the mean of its divisors is an integer number (995764).

Almost surely, 2^3892489 is an apocalyptic number.

It is an amenable number.

3892489 is a deficient number, since it is larger than the sum of its proper divisors (90567).

3892489 is an equidigital number, since it uses as much as digits as its factorization.

3892489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90566.

The product of its digits is 124416, while the sum is 43.

The square root of 3892489 is about 1972.9391779779. The cubic root of 3892489 is about 157.3049773940.

The spelling of 3892489 in words is "three million, eight hundred ninety-two thousand, four hundred eighty-nine".