6236421 has 16 divisors (see below), whose sum is σ = 8702400. Its totient is φ = 3967488.

The previous prime is 6236413. The next prime is 6236423. The reversal of 6236421 is 1246326.

It is not a de Polignac number, because 6236421 - 2³ = 6236413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6236391 and 6236400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6236423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8070 + ... + 8808.

It is an arithmetic number, because the mean of its divisors is an integer number (543900).

Almost surely, 2^6236421 is an apocalyptic number.

It is an amenable number.

6236421 is a deficient number, since it is larger than the sum of its proper divisors (2465979).

6236421 is a wasteful number, since it uses less digits than its factorization.

6236421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868.

The product of its digits is 1728, while the sum is 24.

The square root of 6236421 is about 2497.2827232814. The cubic root of 6236421 is about 184.0680769677.

The spelling of 6236421 in words is "six million, two hundred thirty-six thousand, four hundred twenty-one".