3681489 has 8 divisors (see below), whose sum is σ = 5609920. Its totient is φ = 2103696.

The previous prime is 3681487. The next prime is 3681499. The reversal of 3681489 is 9841863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3681489 - 2¹ = 3681487 is a prime.

It is a super-2 number, since 2×3681489² = 27106722514242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3681481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87634 + ... + 87675.

It is an arithmetic number, because the mean of its divisors is an integer number (701240).

Almost surely, 2^3681489 is an apocalyptic number.

It is an amenable number.

3681489 is a deficient number, since it is larger than the sum of its proper divisors (1928431).

3681489 is a wasteful number, since it uses less digits than its factorization.

3681489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175319.

The product of its digits is 41472, while the sum is 39.

The square root of 3681489 is about 1918.7206675282. The cubic root of 3681489 is about 154.4096726962.

The spelling of 3681489 in words is "three million, six hundred eighty-one thousand, four hundred eighty-nine".