1973156248 has 16 divisors (see below), whose sum is σ = 4228192080. Its totient is φ = 845638368.

The previous prime is 1973156197. The next prime is 1973156281. The reversal of 1973156248 is 8426513791.

It is a junction number, because it is equal to n+sod(n) for n = 1973156198 and 1973156207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17617411 + ... + 17617522.

It is an arithmetic number, because the mean of its divisors is an integer number (264262005).

Almost surely, 2^1973156248 is an apocalyptic number.

It is an amenable number.

1973156248 is an abundant number, since it is smaller than the sum of its proper divisors (2255035832).

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

1973156248 is a wasteful number, since it uses less digits than its factorization.

1973156248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35234946 (or 35234942 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 1973156248 is about 44420.2234123153. The cubic root of 1973156248 is about 1254.2588064819.

The spelling of 1973156248 in words is "one billion, nine hundred seventy-three million, one hundred fifty-six thousand, two hundred forty-eight".