6189421 has 16 divisors (see below), whose sum is σ = 7516800. Its totient is φ = 4978368.

The previous prime is 6189419. The next prime is 6189431. The reversal of 6189421 is 1249816.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6189421 - 2¹ = 6189419 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 (6189431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22875 + ... + 23143.

It is an arithmetic number, because the mean of its divisors is an integer number (469800).

Almost surely, 2^6189421 is an apocalyptic number.

It is an amenable number.

6189421 is a deficient number, since it is larger than the sum of its proper divisors (1327379).

6189421 is a wasteful number, since it uses less digits than its factorization.

6189421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its digits is 3456, while the sum is 31.

The square root of 6189421 is about 2487.8546983295. The cubic root of 6189421 is about 183.6045085224.

The spelling of 6189421 in words is "six million, one hundred eighty-nine thousand, four hundred twenty-one".