985363947 has 40 divisors (see below), whose sum is σ = 1514842560. Its totient is φ = 637925760.

The previous prime is 985363931. The next prime is 985363987. The reversal of 985363947 is 749363589.

It is not a de Polignac number, because 985363947 - 2⁴ = 985363931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 985363893 and 985363902.

It is not an unprimeable number, because it can be changed into a prime (985363987) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 892798 + ... + 893900.

It is an arithmetic number, because the mean of its divisors is an integer number (37871064).

Almost surely, 2^985363947 is an apocalyptic number.

985363947 is a deficient number, since it is larger than the sum of its proper divisors (529478613).

985363947 is a wasteful number, since it uses less digits than its factorization.

985363947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1416 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 985363947 is about 31390.5072752895. The cubic root of 985363947 is about 995.0973186631.

It can be divided in two parts, 985363 and 947, that added together give a triangular number (986310 = T₁₄₀₄).

The spelling of 985363947 in words is "nine hundred eighty-five million, three hundred sixty-three thousand, nine hundred forty-seven".