6994538 has 8 divisors (see below), whose sum is σ = 10531620. Its totient is φ = 3484000.

The previous prime is 6994529. The next prime is 6994549. The reversal of 6994538 is 8354996.

It can be written as a sum of positive squares in 2 ways, for example, as 4765489 + 2229049 = 2183^2 + 1493^2 .

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

It is a d-powerful number, because it can be written as 6³ + 9 + 9⁷ + 4⁷ + 5⁷ + 3⁹ + 8⁷ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5963 + ... + 7038.

Almost surely, 2^6994538 is an apocalyptic number.

6994538 is a deficient number, since it is larger than the sum of its proper divisors (3537082).

6994538 is a wasteful number, since it uses less digits than its factorization.

6994538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13272.

The product of its digits is 233280, while the sum is 44.

The square root of 6994538 is about 2644.7188886534. The cubic root of 6994538 is about 191.2433509016.

The spelling of 6994538 in words is "six million, nine hundred ninety-four thousand, five hundred thirty-eight".