8995421 has 4 divisors (see below), whose sum is σ = 9001500. Its totient is φ = 8989344.

The previous prime is 8995411. The next prime is 8995447. The reversal of 8995421 is 1245998.

8995421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4644025 + 4351396 = 2155^2 + 2086^2 .

It is a cyclic number.

It is not a de Polignac number, because 8995421 - 2²² = 4801117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8995411) 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, 785 + ... + 4313.

It is an arithmetic number, because the mean of its divisors is an integer number (2250375).

Almost surely, 2^8995421 is an apocalyptic number.

It is an amenable number.

8995421 is a deficient number, since it is larger than the sum of its proper divisors (6079).

8995421 is a wasteful number, since it uses less digits than its factorization.

8995421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078.

The product of its digits is 25920, while the sum is 38.

The square root of 8995421 is about 2999.2367362381. The cubic root of 8995421 is about 207.9730996400.

The spelling of 8995421 in words is "eight million, nine hundred ninety-five thousand, four hundred twenty-one".