6933421 has 6 divisors (see below), whose sum is σ = 7621166. Its totient is φ = 6303000.

The previous prime is 6933403. The next prime is 6933427. The reversal of 6933421 is 1243396.

It can be written as a sum of positive squares in only one way, i.e., 4888521 + 2044900 = 2211^2 + 1430^2 .

It is not a de Polignac number, because 6933421 - 2⁹ = 6932909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6933421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6933427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28530 + ... + 28771.

Almost surely, 2^6933421 is an apocalyptic number.

It is an amenable number.

6933421 is a deficient number, since it is larger than the sum of its proper divisors (687745).

6933421 is a wasteful number, since it uses less digits than its factorization.

6933421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57323 (or 57312 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 6933421 is about 2633.1390012683. The cubic root of 6933421 is about 190.6847040792.

It can be divided in two parts, 693 and 3421, that multiplied together give a triangular number (2370753 = T₂₁₇₇).

The spelling of 6933421 in words is "six million, nine hundred thirty-three thousand, four hundred twenty-one".