9449381 has 4 divisors (see below), whose sum is σ = 9609600. Its totient is φ = 9289164.

The previous prime is 9449371. The next prime is 9449387. The reversal of 9449381 is 1839449.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9449381 - 2¹⁸ = 9187237 is a prime.

It is a super-2 number, since 2×9449381² = 178581602566322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9449387) 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 in 3 ways as a sum of consecutive naturals, for example, 80021 + ... + 80138.

It is an arithmetic number, because the mean of its divisors is an integer number (2402400).

Almost surely, 2^9449381 is an apocalyptic number.

It is an amenable number.

9449381 is a deficient number, since it is larger than the sum of its proper divisors (160219).

9449381 is a wasteful number, since it uses less digits than its factorization.

9449381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160218.

The product of its digits is 31104, while the sum is 38.

The square root of 9449381 is about 3073.9845477816. The cubic root of 9449381 is about 211.4143456940.

The spelling of 9449381 in words is "nine million, four hundred forty-nine thousand, three hundred eighty-one".