9400900 has 18 divisors (see below), whose sum is σ = 20400170. Its totient is φ = 3760320.

The previous prime is 9400891. The next prime is 9400907. The reversal of 9400900 is 90049.

It can be written as a sum of positive squares in 3 ways, for example, as 73984 + 9326916 = 272^2 + 3054^2 .

It is not an unprimeable number, because it can be changed into a prime (9400907) 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 5 ways as a sum of consecutive naturals, for example, 46905 + ... + 47104.

Almost surely, 2^9400900 is an apocalyptic number.

It is an amenable number.

9400900 is an abundant number, since it is smaller than the sum of its proper divisors (10999270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9400900 is a wasteful number, since it uses less digits than its factorization.

9400900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94023 (or 94016 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 9400900 is about 3066.0887136546. The cubic root of 9400900 is about 211.0521647265.

Adding to 9400900 its reverse (90049), we get a palindrome (9490949).

The spelling of 9400900 in words is "nine million, four hundred thousand, nine hundred".