6996538 has 8 divisors (see below), whose sum is σ = 10506132. Its totient is φ = 3494496.

The previous prime is 6996529. The next prime is 6996559. The reversal of 6996538 is 8356996.

It can be written as a sum of positive squares in 2 ways, for example, as 4826809 + 2169729 = 2197^2 + 1473^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2206 + ... + 4342.

Almost surely, 2^6996538 is an apocalyptic number.

6996538 is a deficient number, since it is larger than the sum of its proper divisors (3509594).

6996538 is a wasteful number, since it uses less digits than its factorization.

6996538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776.

The product of its digits is 349920, while the sum is 46.

The square root of 6996538 is about 2645.0969736477. The cubic root of 6996538 is about 191.2615770399.

The spelling of 6996538 in words is "six million, nine hundred ninety-six thousand, five hundred thirty-eight".