6971398 has 8 divisors (see below), whose sum is σ = 11950992. Its totient is φ = 2987736.

The previous prime is 6971389. The next prime is 6971399. The reversal of 6971398 is 8931796.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6971399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248965 + ... + 248992.

It is an arithmetic number, because the mean of its divisors is an integer number (1493874).

Almost surely, 2^6971398 is an apocalyptic number.

6971398 is a deficient number, since it is larger than the sum of its proper divisors (4979594).

6971398 is a wasteful number, since it uses less digits than its factorization.

6971398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497966.

The product of its digits is 81648, while the sum is 43.

The square root of 6971398 is about 2640.3405083436. The cubic root of 6971398 is about 191.0322213853.

The spelling of 6971398 in words is "six million, nine hundred seventy-one thousand, three hundred ninety-eight".