9621946 has 4 divisors (see below), whose sum is σ = 14432922. Its totient is φ = 4810972.

The previous prime is 9621943. The next prime is 9621947. The reversal of 9621946 is 6491269.

9621946 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: 6491269 = 1579 ⋅4111.

It can be written as a sum of positive squares in only one way, i.e., 8208225 + 1413721 = 2865^2 + 1189^2 .

It is not an unprimeable number, because it can be changed into a prime (9621943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2405485 + ... + 2405488.

Almost surely, 2^9621946 is an apocalyptic number.

9621946 is a deficient number, since it is larger than the sum of its proper divisors (4810976).

9621946 is a wasteful number, since it uses less digits than its factorization.

9621946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810975.

The product of its digits is 23328, while the sum is 37.

The square root of 9621946 is about 3101.9261757818. The cubic root of 9621946 is about 212.6935427010.

The spelling of 9621946 in words is "nine million, six hundred twenty-one thousand, nine hundred forty-six".