9947146 has 32 divisors (see below), whose sum is σ = 17496000. Its totient is φ = 4193280.

The previous prime is 9947141. The next prime is 9947153. The reversal of 9947146 is 6417499.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9947099 and 9947108.

It is not an unprimeable number, because it can be changed into a prime (9947141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21930 + ... + 22378.

It is an arithmetic number, because the mean of its divisors is an integer number (546750).

Almost surely, 2^9947146 is an apocalyptic number.

9947146 is a deficient number, since it is larger than the sum of its proper divisors (7548854).

9947146 is a wasteful number, since it uses less digits than its factorization.

9947146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its digits is 54432, while the sum is 40.

The square root of 9947146 is about 3153.9096372598. The cubic root of 9947146 is about 215.0632300055.

The spelling of 9947146 in words is "nine million, nine hundred forty-seven thousand, one hundred forty-six".