6924978 has 48 divisors (see below), whose sum is σ = 16061760. Its totient is φ = 2151072.

The previous prime is 6924961. The next prime is 6924991. The reversal of 6924978 is 8794296.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17608 + ... + 17996.

It is an arithmetic number, because the mean of its divisors is an integer number (334620).

Almost surely, 2^6924978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6924978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8030880).

6924978 is an abundant number, since it is smaller than the sum of its proper divisors (9136782).

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

6924978 is a wasteful number, since it uses less digits than its factorization.

6924978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 460 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 6924978 is about 2631.5352933221. The cubic root of 6924978 is about 190.6072721308.

The spelling of 6924978 in words is "six million, nine hundred twenty-four thousand, nine hundred seventy-eight".