9420149 has 2 divisors, whose sum is σ = 9420150. Its totient is φ = 9420148.

The previous prime is 9420127. The next prime is 9420211. The reversal of 9420149 is 9410249.

9420149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9302500 + 117649 = 3050^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 9420149 - 2¹² = 9416053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9420049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4710074 + 4710075.

It is an arithmetic number, because the mean of its divisors is an integer number (4710075).

Almost surely, 2^9420149 is an apocalyptic number.

It is an amenable number.

9420149 is a deficient number, since it is larger than the sum of its proper divisors (1).

9420149 is an equidigital number, since it uses as much as digits as its factorization.

9420149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 9420149 is about 3069.2261239602. The cubic root of 9420149 is about 211.1961145429.

The spelling of 9420149 in words is "nine million, four hundred twenty thousand, one hundred forty-nine".