1603968 has 32 divisors (see below), whose sum is σ = 4261560. Its totient is φ = 534528.

The previous prime is 1603963. The next prime is 1604003. The reversal of 1603968 is 8693061.

It is a tau number, because it is divible by the number of its divisors (32).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603963) 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, 1705 + ... + 2472.

2^1603968 is an apocalyptic number.

It is an amenable number.

1603968 is an abundant number, since it is smaller than the sum of its proper divisors (2657592).

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

1603968 is an equidigital number, since it uses as much as digits as its factorization.

1603968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194 (or 4182 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1603968 is about 1266.4785825272. The cubic root of 1603968 is about 117.0573172300.

The spelling of 1603968 in words is "one million, six hundred three thousand, nine hundred sixty-eight".