1908768 has 48 divisors (see below), whose sum is σ = 5110560. Its totient is φ = 623616.

The previous prime is 1908761. The next prime is 1908769. The reversal of 1908768 is 8678091.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1908761) 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, 5496 + ... + 5832.

It is an arithmetic number, because the mean of its divisors is an integer number (106470).

2^1908768 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 1908768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555280).

1908768 is an abundant number, since it is smaller than the sum of its proper divisors (3201792).

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

1908768 is a wasteful number, since it uses less digits than its factorization.

1908768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1908768 is about 1381.5817022529. The cubic root of 1908768 is about 124.0464619506.

The spelling of 1908768 in words is "one million, nine hundred eight thousand, seven hundred sixty-eight".