94211421 has 4 divisors (see below), whose sum is σ = 125615232. Its totient is φ = 62807612.

The previous prime is 94211419. The next prime is 94211423. The reversal of 94211421 is 12411249.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12411249 = 3 ⋅4137083.

It is an interprime number because it is at equal distance from previous prime (94211419) and next prime (94211423).

It is a cyclic number.

It is not a de Polignac number, because 94211421 - 2¹ = 94211419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 94211391 and 94211400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94211423) 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, 15701901 + ... + 15701906.

It is an arithmetic number, because the mean of its divisors is an integer number (31403808).

Almost surely, 2^94211421 is an apocalyptic number.

It is an amenable number.

94211421 is a deficient number, since it is larger than the sum of its proper divisors (31403811).

94211421 is a wasteful number, since it uses less digits than its factorization.

94211421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31403810.

The product of its digits is 576, while the sum is 24.

The square root of 94211421 is about 9706.2567965205. The cubic root of 94211421 is about 455.0242244479.

The spelling of 94211421 in words is "ninety-four million, two hundred eleven thousand, four hundred twenty-one".