9147494 has 4 divisors (see below), whose sum is σ = 13721244. Its totient is φ = 4573746.

The previous prime is 9147487. The next prime is 9147497. The reversal of 9147494 is 4947419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4947419 = 317 ⋅15607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9147497) 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, 2286872 + ... + 2286875.

It is an arithmetic number, because the mean of its divisors is an integer number (3430311).

Almost surely, 2^9147494 is an apocalyptic number.

9147494 is a deficient number, since it is larger than the sum of its proper divisors (4573750).

9147494 is a wasteful number, since it uses less digits than its factorization.

9147494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573749.

The product of its digits is 36288, while the sum is 38.

The square root of 9147494 is about 3024.4824350622. The cubic root of 9147494 is about 209.1385267845.

The spelling of 9147494 in words is "nine million, one hundred forty-seven thousand, four hundred ninety-four".