9418949 has 4 divisors (see below), whose sum is σ = 9573420. Its totient is φ = 9264480.

The previous prime is 9418943. The next prime is 9418951. The reversal of 9418949 is 9498149.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1113025 + 8305924 = 1055^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 9418949 - 2⁸ = 9418693 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9418943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77144 + ... + 77265.

It is an arithmetic number, because the mean of its divisors is an integer number (2393355).

Almost surely, 2^9418949 is an apocalyptic number.

It is an amenable number.

9418949 is a deficient number, since it is larger than the sum of its proper divisors (154471).

9418949 is a wasteful number, since it uses less digits than its factorization.

9418949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154470.

The product of its digits is 93312, while the sum is 44.

The square root of 9418949 is about 3069.0306287165. The cubic root of 9418949 is about 211.1871463161.

The spelling of 9418949 in words is "nine million, four hundred eighteen thousand, nine hundred forty-nine".