3561968 has 20 divisors (see below), whose sum is σ = 7265160. Its totient is φ = 1687104.

The previous prime is 3561947. The next prime is 3561977. The reversal of 3561968 is 8691653.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555 + ... + 6162.

It is an arithmetic number, because the mean of its divisors is an integer number (363258).

Almost surely, 2^3561968 is an apocalyptic number.

3561968 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3561968 is an abundant number, since it is smaller than the sum of its proper divisors (3703192).

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

3561968 is a wasteful number, since it uses less digits than its factorization.

3561968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11744 (or 11738 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 3561968 is about 1887.3176733131. The cubic root of 3561968 is about 152.7202657749.

The spelling of 3561968 in words is "three million, five hundred sixty-one thousand, nine hundred sixty-eight".