9400988 has 12 divisors (see below), whose sum is σ = 17019240. Its totient is φ = 4538352.

The previous prime is 9400973. The next prime is 9400999. The reversal of 9400988 is 8890049.

It is a super-2 number, since 2×9400988² = 176757150752288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40406 + ... + 40637.

It is an arithmetic number, because the mean of its divisors is an integer number (1418270).

Almost surely, 2^9400988 is an apocalyptic number.

It is an amenable number.

9400988 is a deficient number, since it is larger than the sum of its proper divisors (7618252).

9400988 is a wasteful number, since it uses less digits than its factorization.

9400988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81076 (or 81074 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 9400988 is about 3066.1030641516. The cubic root of 9400988 is about 211.0528232639.

The spelling of 9400988 in words is "nine million, four hundred thousand, nine hundred eighty-eight".