9149477 has 2 divisors, whose sum is σ = 9149478. Its totient is φ = 9149476.

The previous prime is 9149449. The next prime is 9149479. The reversal of 9149477 is 7749419.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7214596 + 1934881 = 2686^2 + 1391^2 .

It is a cyclic number.

It is not a de Polignac number, because 9149477 - 2⁸ = 9149221 is a prime.

Together with 9149479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9149479) 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, 4574738 + 4574739.

It is an arithmetic number, because the mean of its divisors is an integer number (4574739).

Almost surely, 2^9149477 is an apocalyptic number.

It is an amenable number.

9149477 is a deficient number, since it is larger than the sum of its proper divisors (1).

9149477 is an equidigital number, since it uses as much as digits as its factorization.

9149477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 41.

The square root of 9149477 is about 3024.8102419821. The cubic root of 9149477 is about 209.1536380902.

The spelling of 9149477 in words is "nine million, one hundred forty-nine thousand, four hundred seventy-seven".