94146421 has 4 divisors (see below), whose sum is σ = 95436172. Its totient is φ = 92856672.

The previous prime is 94146419. The next prime is 94146439. The reversal of 94146421 is 12464149.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79014321 + 15132100 = 8889^2 + 3890^2 .

It is a cyclic number.

It is not a de Polignac number, because 94146421 - 2¹ = 94146419 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 (94146401) 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, 644766 + ... + 644911.

It is an arithmetic number, because the mean of its divisors is an integer number (23859043).

Almost surely, 2^94146421 is an apocalyptic number.

It is an amenable number.

94146421 is a deficient number, since it is larger than the sum of its proper divisors (1289751).

94146421 is a wasteful number, since it uses less digits than its factorization.

94146421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289750.

The product of its digits is 6912, while the sum is 31.

The square root of 94146421 is about 9702.9078631099. The cubic root of 94146421 is about 454.9195542678.

The spelling of 94146421 in words is "ninety-four million, one hundred forty-six thousand, four hundred twenty-one".