9200421 has 12 divisors (see below), whose sum is σ = 13366080. Its totient is φ = 6098280.

The previous prime is 9200413. The next prime is 9200423. The reversal of 9200421 is 1240029.

It is not a de Polignac number, because 9200421 - 2³ = 9200413 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9200394 and 9200403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9200423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1245 + ... + 4466.

It is an arithmetic number, because the mean of its divisors is an integer number (1113840).

Almost surely, 2^9200421 is an apocalyptic number.

It is an amenable number.

9200421 is a deficient number, since it is larger than the sum of its proper divisors (4165659).

9200421 is a wasteful number, since it uses less digits than its factorization.

9200421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896 (or 5893 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 9200421 is about 3033.2195766215. The cubic root of 9200421 is about 209.5411067979.

The spelling of 9200421 in words is "nine million, two hundred thousand, four hundred twenty-one".