9870803946 has 12 divisors (see below), whose sum is σ = 21386741922. Its totient is φ = 3290267976.

The previous prime is 9870803939. The next prime is 9870803963. The reversal of 9870803946 is 6493080789.

It can be written as a sum of positive squares in only one way, i.e., 8808761025 + 1062042921 = 93855^2 + 32589^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9870803892 and 9870803901.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274188981 + ... + 274189016.

Almost surely, 2^9870803946 is an apocalyptic number.

9870803946 is an abundant number, since it is smaller than the sum of its proper divisors (11515937976).

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

9870803946 is a wasteful number, since it uses less digits than its factorization.

9870803946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548378005 (or 548378002 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 9870803946 is about 99351.9196895561. The cubic root of 9870803946 is about 2145.1162953883.

The spelling of 9870803946 in words is "nine billion, eight hundred seventy million, eight hundred three thousand, nine hundred forty-six".