9049147 has 2 divisors, whose sum is σ = 9049148. Its totient is φ = 9049146.

The previous prime is 9049133. The next prime is 9049177. The reversal of 9049147 is 7419409.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9049147 is a prime.

It is a super-2 number, since 2×9049147² = 163774122855218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9049177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4524573 + 4524574.

It is an arithmetic number, because the mean of its divisors is an integer number (4524574).

Almost surely, 2^9049147 is an apocalyptic number.

9049147 is a deficient number, since it is larger than the sum of its proper divisors (1).

9049147 is an equidigital number, since it uses as much as digits as its factorization.

9049147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 9049147 is about 3008.1800145603. The cubic root of 9049147 is about 208.3863243691.

The spelling of 9049147 in words is "nine million, forty-nine thousand, one hundred forty-seven".