9771946 has 4 divisors (see below), whose sum is σ = 14657922. Its totient is φ = 4885972.

The previous prime is 9771907. The next prime is 9771953. The reversal of 9771946 is 6491779.

It is a happy number.

9771946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6491779 = 7 ⋅927397.

It can be written as a sum of positive squares in only one way, i.e., 8637721 + 1134225 = 2939^2 + 1065^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2442985 + ... + 2442988.

Almost surely, 2^9771946 is an apocalyptic number.

9771946 is a deficient number, since it is larger than the sum of its proper divisors (4885976).

9771946 is a wasteful number, since it uses less digits than its factorization.

9771946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885975.

The product of its digits is 95256, while the sum is 43.

The square root of 9771946 is about 3126.0111963971. The cubic root of 9771946 is about 213.7931007553.

The spelling of 9771946 in words is "nine million, seven hundred seventy-one thousand, nine hundred forty-six".