3628489 has 4 divisors (see below), whose sum is σ = 3632580. Its totient is φ = 3624400.

The previous prime is 3628483. The next prime is 3628561. The reversal of 3628489 is 9848263.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9848263 = 67 ⋅146989.

It can be written as a sum of positive squares in 2 ways, for example, as 765625 + 2862864 = 875^2 + 1692^2 .

It is a cyclic number.

It is not a de Polignac number, because 3628489 - 2³ = 3628481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3628481) 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, 94 + ... + 2695.

It is an arithmetic number, because the mean of its divisors is an integer number (908145).

Almost surely, 2^3628489 is an apocalyptic number.

It is an amenable number.

3628489 is a deficient number, since it is larger than the sum of its proper divisors (4091).

3628489 is a wasteful number, since it uses less digits than its factorization.

3628489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090.

The product of its digits is 82944, while the sum is 40.

The square root of 3628489 is about 1904.8593123903. The cubic root of 3628489 is about 153.6651096806.

The spelling of 3628489 in words is "three million, six hundred twenty-eight thousand, four hundred eighty-nine".