9429988 has 12 divisors (see below), whose sum is σ = 17071740. Its totient is φ = 4552352.

The previous prime is 9429967. The next prime is 9429997. The reversal of 9429988 is 8899249.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3069504 + 6360484 = 1752^2 + 2522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40531 + ... + 40762.

It is an arithmetic number, because the mean of its divisors is an integer number (1422645).

Almost surely, 2^9429988 is an apocalyptic number.

It is an amenable number.

9429988 is a deficient number, since it is larger than the sum of its proper divisors (7641752).

9429988 is a wasteful number, since it uses less digits than its factorization.

9429988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81326 (or 81324 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The square root of 9429988 is about 3070.8285526874. The cubic root of 9429988 is about 211.2696178226.

The spelling of 9429988 in words is "nine million, four hundred twenty-nine thousand, nine hundred eighty-eight".