3867489 has 24 divisors (see below), whose sum is σ = 5870592. Its totient is φ = 2450880.

The previous prime is 3867481. The next prime is 3867491. The reversal of 3867489 is 9847683.

It is a happy number.

It is not a de Polignac number, because 3867489 - 2³ = 3867481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3867481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17232 + ... + 17454.

It is an arithmetic number, because the mean of its divisors is an integer number (244608).

Almost surely, 2^3867489 is an apocalyptic number.

It is an amenable number.

3867489 is a deficient number, since it is larger than the sum of its proper divisors (2003103).

3867489 is a wasteful number, since it uses less digits than its factorization.

3867489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 314 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 3867489 is about 1966.5932472171. The cubic root of 3867489 is about 156.9674834954.

It can be divided in two parts, 3867 and 489, that added together give a square (4356 = 66²).

The spelling of 3867489 in words is "three million, eight hundred sixty-seven thousand, four hundred eighty-nine".