9213146 has 4 divisors (see below), whose sum is σ = 13819722. Its totient is φ = 4606572.

The previous prime is 9213143. The next prime is 9213161. The reversal of 9213146 is 6413129.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6996025 + 2217121 = 2645^2 + 1489^2 .

It is not an unprimeable number, because it can be changed into a prime (9213143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2303285 + ... + 2303288.

Almost surely, 2^9213146 is an apocalyptic number.

9213146 is a deficient number, since it is larger than the sum of its proper divisors (4606576).

9213146 is a wasteful number, since it uses less digits than its factorization.

9213146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606575.

The product of its digits is 1296, while the sum is 26.

The square root of 9213146 is about 3035.3164579661. The cubic root of 9213146 is about 209.6376669529.

The spelling of 9213146 in words is "nine million, two hundred thirteen thousand, one hundred forty-six".