3619968 has 64 divisors (see below), whose sum is σ = 10501920. Its totient is φ = 1095680.

The previous prime is 3619961. The next prime is 3619981. The reversal of 3619968 is 8699163.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (3619961) 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, 3796 + ... + 4652.

Almost surely, 2^3619968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3619968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5250960).

3619968 is an abundant number, since it is smaller than the sum of its proper divisors (6881952).

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

3619968 is a wasteful number, since it uses less digits than its factorization.

3619968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 873 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 3619968 is about 1902.6213496122. The cubic root of 3619968 is about 153.5447283773.

The spelling of 3619968 in words is "three million, six hundred nineteen thousand, nine hundred sixty-eight".