8141421 has 8 divisors (see below), whose sum is σ = 10870720. Its totient is φ = 5419872.

The previous prime is 8141407. The next prime is 8141423. The reversal of 8141421 is 1241418.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8141421 - 2¹⁴ = 8125037 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8141423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (1358840).

Almost surely, 2^8141421 is an apocalyptic number.

It is an amenable number.

8141421 is a deficient number, since it is larger than the sum of its proper divisors (2729299).

8141421 is a wasteful number, since it uses less digits than its factorization.

8141421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875.

The product of its digits is 256, while the sum is 21.

The square root of 8141421 is about 2853.3175427912. The cubic root of 8141421 is about 201.1716313308.

Adding to 8141421 its reverse (1241418), we get a palindrome (9382839).

The spelling of 8141421 in words is "eight million, one hundred forty-one thousand, four hundred twenty-one".