9164642 has 4 divisors (see below), whose sum is σ = 13746966. Its totient is φ = 4582320.

The previous prime is 9164627. The next prime is 9164651. The reversal of 9164642 is 2464619.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2464619 = 643 ⋅3833.

It can be written as a sum of positive squares in only one way, i.e., 6911641 + 2253001 = 2629^2 + 1501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9164599 and 9164608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2291159 + ... + 2291162.

Almost surely, 2^9164642 is an apocalyptic number.

9164642 is a deficient number, since it is larger than the sum of its proper divisors (4582324).

9164642 is a wasteful number, since it uses less digits than its factorization.

9164642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4582323.

The product of its digits is 10368, while the sum is 32.

The square root of 9164642 is about 3027.3159729371. The cubic root of 9164642 is about 209.2691297238.

The spelling of 9164642 in words is "nine million, one hundred sixty-four thousand, six hundred forty-two".