8894421 has 32 divisors (see below), whose sum is σ = 13854720. Its totient is φ = 5633712.

The previous prime is 8894419. The next prime is 8894423. The reversal of 8894421 is 1244988.

It is an interprime number because it is at equal distance from previous prime (8894419) and next prime (8894423).

It is not a de Polignac number, because 8894421 - 2¹ = 8894419 is a prime.

It is a super-2 number, since 2×8894421² = 158221449850482, which contains 22 as substring.

Its product of digits (18432) is a multiple of the sum of its prime divisors (256).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8894423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54486 + ... + 54648.

It is an arithmetic number, because the mean of its divisors is an integer number (432960).

Almost surely, 2^8894421 is an apocalyptic number.

It is an amenable number.

8894421 is a deficient number, since it is larger than the sum of its proper divisors (4960299).

8894421 is a wasteful number, since it uses less digits than its factorization.

8894421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 256 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 8894421 is about 2982.3515889311. The cubic root of 8894421 is about 207.1917987069.

The spelling of 8894421 in words is "eight million, eight hundred ninety-four thousand, four hundred twenty-one".