1603920941 has 8 divisors (see below), whose sum is σ = 1875681984. Its totient is φ = 1342817280.

The previous prime is 1603920917. The next prime is 1603920971. The reversal of 1603920941 is 1490293061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1603920941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603920971) 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, 2664020 + ... + 2664621.

It is an arithmetic number, because the mean of its divisors is an integer number (234460248).

Almost surely, 2^1603920941 is an apocalyptic number.

It is an amenable number.

1603920941 is a deficient number, since it is larger than the sum of its proper divisors (271761043).

1603920941 is an equidigital number, since it uses as much as digits as its factorization.

1603920941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5328691.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1603920941 is about 40048.9817723247. The cubic root of 1603920941 is about 1170.5617243280.

The spelling of 1603920941 in words is "one billion, six hundred three million, nine hundred twenty thousand, nine hundred forty-one".