6980421 has 16 divisors (see below), whose sum is σ = 11263104. Its totient is φ = 3753984.

The previous prime is 6980419. The next prime is 6980423. The reversal of 6980421 is 1240896.

It is an interprime number because it is at equal distance from previous prime (6980419) and next prime (6980423).

It is not a de Polignac number, because 6980421 - 2¹ = 6980419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6980423) 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, 9420 + ... + 10133.

It is an arithmetic number, because the mean of its divisors is an integer number (703944).

Almost surely, 2^6980421 is an apocalyptic number.

It is an amenable number.

6980421 is a deficient number, since it is larger than the sum of its proper divisors (4282683).

6980421 is a wasteful number, since it uses less digits than its factorization.

6980421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19580.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 6980421 is about 2642.0486369482. The cubic root of 6980421 is about 191.1146027871.

The spelling of 6980421 in words is "six million, nine hundred eighty thousand, four hundred twenty-one".