1328973950 has 24 divisors (see below), whose sum is σ = 2476273800. Its totient is φ = 530647200.

The previous prime is 1328973949. The next prime is 1328973977. The reversal of 1328973950 is 593798231.

It is a junction number, because it is equal to n+sod(n) for n = 1328973895 and 1328973904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5276 + ... + 51824.

It is an arithmetic number, because the mean of its divisors is an integer number (103178075).

Almost surely, 2^1328973950 is an apocalyptic number.

1328973950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1328973950 is a deficient number, since it is larger than the sum of its proper divisors (1147299850).

1328973950 is a wasteful number, since it uses less digits than its factorization.

1328973950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47132 (or 47127 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 1328973950 is about 36455.0949799887. The cubic root of 1328973950 is about 1099.4415760637.

The spelling of 1328973950 in words is "one billion, three hundred twenty-eight million, nine hundred seventy-three thousand, nine hundred fifty".