9449428 has 12 divisors (see below), whose sum is σ = 16688980. Its totient is φ = 4681152.

The previous prime is 9449417. The next prime is 9449437. The reversal of 9449428 is 8249449.

It can be written as a sum of positive squares in 2 ways, for example, as 8363664 + 1085764 = 2892^2 + 1042^2 .

It is a congruent number.

It is an unprimeable number.

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, 10401 + ... + 11272.

Almost surely, 2^9449428 is an apocalyptic number.

It is an amenable number.

9449428 is a deficient number, since it is larger than the sum of its proper divisors (7239552).

9449428 is a wasteful number, since it uses less digits than its factorization.

9449428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21786 (or 21784 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 9449428 is about 3073.9921925730. The cubic root of 9449428 is about 211.4146962093.

The spelling of 9449428 in words is "nine million, four hundred forty-nine thousand, four hundred twenty-eight".