1603948 has 12 divisors (see below), whose sum is σ = 2818872. Its totient is φ = 798560.

The previous prime is 1603919. The next prime is 1603949. The reversal of 1603948 is 8493061.

It is not an unprimeable number, because it can be changed into a prime (1603949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411 + ... + 1837.

It is an arithmetic number, because the mean of its divisors is an integer number (234906).

2^1603948 is an apocalyptic number.

It is an amenable number.

1603948 is a deficient number, since it is larger than the sum of its proper divisors (1214924).

1603948 is a wasteful number, since it uses less digits than its factorization.

1603948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1603948 is about 1266.4706865933. The cubic root of 1603948 is about 117.0568306957.

The spelling of 1603948 in words is "one million, six hundred three thousand, nine hundred forty-eight".