6696538 has 16 divisors (see below), whose sum is σ = 10760040. Its totient is φ = 3114496.

The previous prime is 6696517. The next prime is 6696553. The reversal of 6696538 is 8356966.

It can be written as a sum of positive squares in 4 ways, for example, as 6671889 + 24649 = 2583^2 + 157^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6696494 and 6696503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1920 + ... + 4132.

Almost surely, 2^6696538 is an apocalyptic number.

6696538 is a deficient number, since it is larger than the sum of its proper divisors (4063502).

6696538 is a wasteful number, since it uses less digits than its factorization.

6696538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321.

The product of its digits is 233280, while the sum is 43.

The square root of 6696538 is about 2587.7669910562. The cubic root of 6696538 is about 188.4878869856.

The spelling of 6696538 in words is "six million, six hundred ninety-six thousand, five hundred thirty-eight".