6194421 has 8 divisors (see below), whose sum is σ = 9176960. Its totient is φ = 4129596.

The previous prime is 6194413. The next prime is 6194449. The reversal of 6194421 is 1244916.

6194421 is a `hidden beast` number, since 619 + 4 + 42 + 1 = 666.

It is not a de Polignac number, because 6194421 - 2³ = 6194413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 229423 = 6194421 / (6 + 1 + 9 + 4 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6194621) 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 7 ways as a sum of consecutive naturals, for example, 114685 + ... + 114738.

It is an arithmetic number, because the mean of its divisors is an integer number (1147120).

Almost surely, 2^6194421 is an apocalyptic number.

It is an amenable number.

6194421 is a deficient number, since it is larger than the sum of its proper divisors (2982539).

6194421 is a wasteful number, since it uses less digits than its factorization.

6194421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229432 (or 229426 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 6194421 is about 2488.8593773052. The cubic root of 6194421 is about 183.6539356256.

The spelling of 6194421 in words is "six million, one hundred ninety-four thousand, four hundred twenty-one".