6690836 has 12 divisors (see below), whose sum is σ = 11907840. Its totient is φ = 3288600.

The previous prime is 6690829. The next prime is 6690847. The reversal of 6690836 is 6380966.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6690836.

It is a congruent number.

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, 13940 + ... + 14411.

It is an arithmetic number, because the mean of its divisors is an integer number (992320).

Almost surely, 2^6690836 is an apocalyptic number.

It is an amenable number.

6690836 is a deficient number, since it is larger than the sum of its proper divisors (5217004).

6690836 is a wasteful number, since it uses less digits than its factorization.

6690836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28414 (or 28412 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 6690836 is about 2586.6650343637. The cubic root of 6690836 is about 188.4343736068.

It can be divided in two parts, 6690 and 836, that multiplied together give a triangular number (5592840 = T₃₃₄₄).

The spelling of 6690836 in words is "six million, six hundred ninety thousand, eight hundred thirty-six".