6908213 has 12 divisors (see below), whose sum is σ = 7670628. Its totient is φ = 6215040.

The previous prime is 6908207. The next prime is 6908249. The reversal of 6908213 is 3128096.

It can be written as a sum of positive squares in 6 ways, for example, as 1423249 + 5484964 = 1193^2 + 2342^2 .

It is not a de Polignac number, because 6908213 - 2⁶ = 6908149 is a prime.

It is a d-powerful number, because it can be written as 6³ + 9⁷ + 0 + 8⁷ + 2¹³ + 1 + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6908203) 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, 6431 + ... + 7427.

It is an arithmetic number, because the mean of its divisors is an integer number (639219).

Almost surely, 2^6908213 is an apocalyptic number.

It is an amenable number.

6908213 is a deficient number, since it is larger than the sum of its proper divisors (762415).

6908213 is a wasteful number, since it uses less digits than its factorization.

6908213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 6908213 is about 2628.3479602214. The cubic root of 6908213 is about 190.4533311784.

The spelling of 6908213 in words is "six million, nine hundred eight thousand, two hundred thirteen".