9854421 has 4 divisors (see below), whose sum is σ = 13139232. Its totient is φ = 6569612.

The previous prime is 9854417. The next prime is 9854431. The reversal of 9854421 is 1244589.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9854421 - 2² = 9854417 is a prime.

It is a super-2 number, since 2×9854421² = 194219226490482, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9854401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642401 + ... + 1642406.

It is an arithmetic number, because the mean of its divisors is an integer number (3284808).

Almost surely, 2^9854421 is an apocalyptic number.

It is an amenable number.

9854421 is a deficient number, since it is larger than the sum of its proper divisors (3284811).

9854421 is a wasteful number, since it uses less digits than its factorization.

9854421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284810.

The product of its digits is 11520, while the sum is 33.

The square root of 9854421 is about 3139.1752101468. The cubic root of 9854421 is about 214.3928861367.

The spelling of 9854421 in words is "nine million, eight hundred fifty-four thousand, four hundred twenty-one".