9745986 has 8 divisors (see below), whose sum is σ = 19491984. Its totient is φ = 3248660.

The previous prime is 9745979. The next prime is 9745999. The reversal of 9745986 is 6895479.

It is a sphenic number, since it is the product of 3 distinct primes.

9745986 is an admirable number.

It is a super-2 number, since 2×9745986² = 189968486224392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812160 + ... + 812171.

It is an arithmetic number, because the mean of its divisors is an integer number (2436498).

Almost surely, 2^9745986 is an apocalyptic number.

9745986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9745986 is a wasteful number, since it uses less digits than its factorization.

9745986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624336.

The product of its digits is 544320, while the sum is 48.

The square root of 9745986 is about 3121.8561786219. The cubic root of 9745986 is about 213.6036130489.

It can be divided in two parts, 9745 and 986, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 9745986 in words is "nine million, seven hundred forty-five thousand, nine hundred eighty-six".