6149421 has 12 divisors (see below), whose sum is σ = 9189180. Its totient is φ = 3958080.

The previous prime is 6149417. The next prime is 6149443. The reversal of 6149421 is 1249416.

6149421 is a `hidden beast` number, since 614 + 9 + 42 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2205225 + 3944196 = 1485^2 + 1986^2 .

It is not a de Polignac number, because 6149421 - 2² = 6149417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6149411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11520 + ... + 12041.

It is an arithmetic number, because the mean of its divisors is an integer number (765765).

Almost surely, 2^6149421 is an apocalyptic number.

It is an amenable number.

6149421 is a deficient number, since it is larger than the sum of its proper divisors (3039759).

6149421 is a wasteful number, since it uses less digits than its factorization.

6149421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23596 (or 23593 counting only the distinct ones).

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

The square root of 6149421 is about 2479.8026131126. The cubic root of 6149421 is about 183.2081301255.

The spelling of 6149421 in words is "six million, one hundred forty-nine thousand, four hundred twenty-one".