6690924 has 60 divisors (see below), whose sum is σ = 17746344. Its totient is φ = 2198016.

The previous prime is 6690923. The next prime is 6690941. The reversal of 6690924 is 4290966.

6690924 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6690923) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34572 + ... + 34764.

Almost surely, 2^6690924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6690924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8873172).

6690924 is an abundant number, since it is smaller than the sum of its proper divisors (11055420).

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

6690924 is a wasteful number, since it uses less digits than its factorization.

6690924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 305 counting only the distinct ones).

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

The square root of 6690924 is about 2586.6820446278. The cubic root of 6690924 is about 188.4351997195.

The spelling of 6690924 in words is "six million, six hundred ninety thousand, nine hundred twenty-four".