1603919948 has 12 divisors (see below), whose sum is σ = 2807870520. Its totient is φ = 801671232.

The previous prime is 1603919923. The next prime is 1603919963. The reversal of 1603919948 is 8499193061.

It is a junction number, because it is equal to n+sod(n) for n = 1603919896 and 1603919905.

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, 59438 + ... + 82101.

It is an arithmetic number, because the mean of its divisors is an integer number (233989210).

Almost surely, 2^1603919948 is an apocalyptic number.

It is an amenable number.

1603919948 is a deficient number, since it is larger than the sum of its proper divisors (1203950572).

1603919948 is a wasteful number, since it uses less digits than its factorization.

1603919948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144376 (or 144374 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 1603919948 is about 40048.9693750039. The cubic root of 1603919948 is about 1170.5614827599.

The spelling of 1603919948 in words is "one billion, six hundred three million, nine hundred nineteen thousand, nine hundred forty-eight".