3619668 has 24 divisors (see below), whose sum is σ = 9095968. Its totient is φ = 1113696.

The previous prime is 3619667. The next prime is 3619687. The reversal of 3619668 is 8669163.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3619663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11446 + ... + 11757.

Almost surely, 2^3619668 is an apocalyptic number.

It is an amenable number.

3619668 is an abundant number, since it is smaller than the sum of its proper divisors (5476300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3619668 is a wasteful number, since it uses less digits than its factorization.

3619668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23223 (or 23221 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 3619668 is about 1902.5425093805. The cubic root of 3619668 is about 153.5404866555.

The spelling of 3619668 in words is "three million, six hundred nineteen thousand, six hundred sixty-eight".