6690492 has 24 divisors (see below), whose sum is σ = 17346000. Its totient is φ = 2230128.

The previous prime is 6690479. The next prime is 6690517. The reversal of 6690492 is 2940966.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 30867 + ... + 31082.

It is an arithmetic number, because the mean of its divisors is an integer number (722750).

Almost surely, 2^6690492 is an apocalyptic number.

It is an amenable number.

6690492 is an abundant number, since it is smaller than the sum of its proper divisors (10655508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6690492 is a wasteful number, since it uses less digits than its factorization.

6690492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61962 (or 61954 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 6690492 is about 2586.5985386217. The cubic root of 6690492 is about 188.4311441880.

The spelling of 6690492 in words is "six million, six hundred ninety thousand, four hundred ninety-two".