94192421 has 4 divisors (see below), whose sum is σ = 95072832. Its totient is φ = 93312012.

The previous prime is 94192409. The next prime is 94192453. The reversal of 94192421 is 12429149.

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.

It is a cyclic number.

It is not a de Polignac number, because 94192421 - 2¹⁰ = 94191397 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 (94192921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440045 + ... + 440258.

It is an arithmetic number, because the mean of its divisors is an integer number (23768208).

Almost surely, 2^94192421 is an apocalyptic number.

It is an amenable number.

94192421 is a deficient number, since it is larger than the sum of its proper divisors (880411).

94192421 is a wasteful number, since it uses less digits than its factorization.

94192421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880410.

The product of its digits is 5184, while the sum is 32.

The square root of 94192421 is about 9705.2779970488. The cubic root of 94192421 is about 454.9936335300.

The spelling of 94192421 in words is "ninety-four million, one hundred ninety-two thousand, four hundred twenty-one".