6978338 has 8 divisors (see below), whose sum is σ = 10922688. Its totient is φ = 3337444.

The previous prime is 6978319. The next prime is 6978371. The reversal of 6978338 is 8338796.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75806 + ... + 75897.

It is an arithmetic number, because the mean of its divisors is an integer number (1365336).

Almost surely, 2^6978338 is an apocalyptic number.

6978338 is a deficient number, since it is larger than the sum of its proper divisors (3944350).

6978338 is a wasteful number, since it uses less digits than its factorization.

6978338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151728.

The product of its digits is 217728, while the sum is 44.

The square root of 6978338 is about 2641.6544058601. The cubic root of 6978338 is about 191.0955909767.

The spelling of 6978338 in words is "six million, nine hundred seventy-eight thousand, three hundred thirty-eight".