9143949 has 16 divisors (see below), whose sum is σ = 12873600. Its totient is φ = 5761536.

The previous prime is 9143933. The next prime is 9143969. The reversal of 9143949 is 9493419.

9143949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9143949 - 2⁴ = 9143933 is a prime.

It is a super-2 number, since 2×9143949² = 167223606629202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9143969) 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 15 ways as a sum of consecutive naturals, for example, 5397 + ... + 6885.

It is an arithmetic number, because the mean of its divisors is an integer number (804600).

Almost surely, 2^9143949 is an apocalyptic number.

It is an amenable number.

9143949 is a deficient number, since it is larger than the sum of its proper divisors (3729651).

9143949 is a wasteful number, since it uses less digits than its factorization.

9143949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604.

The product of its digits is 34992, while the sum is 39.

The square root of 9143949 is about 3023.8963275880. The cubic root of 9143949 is about 209.1115069300. Note that the first 3 decimals are identical.

The spelling of 9143949 in words is "nine million, one hundred forty-three thousand, nine hundred forty-nine".