9419428 has 24 divisors (see below), whose sum is σ = 17708544. Its totient is φ = 4368000.

The previous prime is 9419419. The next prime is 9419429. The reversal of 9419428 is 8249149.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9419429) 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 7 ways as a sum of consecutive naturals, for example, 3853 + ... + 5803.

It is an arithmetic number, because the mean of its divisors is an integer number (737856).

Almost surely, 2^9419428 is an apocalyptic number.

It is an amenable number.

9419428 is a deficient number, since it is larger than the sum of its proper divisors (8289116).

9419428 is a wasteful number, since it uses less digits than its factorization.

9419428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2041 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 9419428 is about 3069.1086653946. The cubic root of 9419428 is about 211.1907262246.

The spelling of 9419428 in words is "nine million, four hundred nineteen thousand, four hundred twenty-eight".