9561428 has 24 divisors (see below), whose sum is σ = 17164224. Its totient is φ = 4659200.

The previous prime is 9561421. The next prime is 9561443. The reversal of 9561428 is 8241659.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9561421) 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 7 ways as a sum of consecutive naturals, for example, 37076 + ... + 37332.

It is an arithmetic number, because the mean of its divisors is an integer number (715176).

Almost surely, 2^9561428 is an apocalyptic number.

It is an amenable number.

9561428 is a deficient number, since it is larger than the sum of its proper divisors (7602796).

9561428 is a wasteful number, since it uses less digits than its factorization.

9561428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 461 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 9561428 is about 3092.1558822284. The cubic root of 9561428 is about 212.2466868517.

The spelling of 9561428 in words is "nine million, five hundred sixty-one thousand, four hundred twenty-eight".