9421900 has 18 divisors (see below), whose sum is σ = 20445740. Its totient is φ = 3768720.

The previous prime is 9421883. The next prime is 9421903. The reversal of 9421900 is 91249.

It is a super-2 number, since 2×9421900² = 177544399220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (9421903) 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, 47010 + ... + 47209.

Almost surely, 2^9421900 is an apocalyptic number.

It is an amenable number.

9421900 is an abundant number, since it is smaller than the sum of its proper divisors (11023840).

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

9421900 is a wasteful number, since it uses less digits than its factorization.

9421900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94233 (or 94226 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 9421900 is about 3069.5113617643. The cubic root of 9421900 is about 211.2091993142.

The spelling of 9421900 in words is "nine million, four hundred twenty-one thousand, nine hundred".