6214021 has 8 divisors (see below), whose sum is σ = 6816384. Its totient is φ = 5617920.

The previous prime is 6213997. The next prime is 6214031. The reversal of 6214021 is 1204126.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6214021 - 2¹¹ = 6211973 is a prime.

It is a super-2 number, since 2×6214021² = 77228113976882, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6213986 and 6214004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6214031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660 + ... + 3586.

It is an arithmetic number, because the mean of its divisors is an integer number (852048).

Almost surely, 2^6214021 is an apocalyptic number.

It is an amenable number.

6214021 is a deficient number, since it is larger than the sum of its proper divisors (602363).

6214021 is a wasteful number, since it uses less digits than its factorization.

6214021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 6214021 is about 2492.7938141772. The cubic root of 6214021 is about 183.8474337877.

Adding to 6214021 its reverse (1204126), we get a palindrome (7418147).

The spelling of 6214021 in words is "six million, two hundred fourteen thousand, twenty-one".