9440149 has 2 divisors, whose sum is σ = 9440150. Its totient is φ = 9440148.

The previous prime is 9440113. The next prime is 9440159. The reversal of 9440149 is 9410449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8305924 + 1134225 = 2882^2 + 1065^2 .

It is an emirp because it is prime and its reverse (9410449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9440149 - 2⁷ = 9440021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9440149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9440159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4720074 + 4720075.

It is an arithmetic number, because the mean of its divisors is an integer number (4720075).

Almost surely, 2^9440149 is an apocalyptic number.

It is an amenable number.

9440149 is a deficient number, since it is larger than the sum of its proper divisors (1).

9440149 is an equidigital number, since it uses as much as digits as its factorization.

9440149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 9440149 is about 3072.4825467364. The cubic root of 9440149 is about 211.3454729919.

The spelling of 9440149 in words is "nine million, four hundred forty thousand, one hundred forty-nine".