9772986 has 16 divisors (see below), whose sum is σ = 19577664. Its totient is φ = 3252384.

The previous prime is 9772981. The next prime is 9773003. The reversal of 9772986 is 6892779.

It is a super-2 number, since 2×9772986² = 191022510712392, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9772981) 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, 5070 + ... + 6726.

It is an arithmetic number, because the mean of its divisors is an integer number (1223604).

Almost surely, 2^9772986 is an apocalyptic number.

9772986 is an abundant number, since it is smaller than the sum of its proper divisors (9804678).

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

9772986 is a wasteful number, since it uses less digits than its factorization.

9772986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645.

The product of its digits is 381024, while the sum is 48.

The square root of 9772986 is about 3126.1775381446. The cubic root of 9772986 is about 213.8006849471.

The spelling of 9772986 in words is "nine million, seven hundred seventy-two thousand, nine hundred eighty-six".