6923920 has 80 divisors (see below), whose sum is σ = 17356032. Its totient is φ = 2562560.

The previous prime is 6923911. The next prime is 6923929. The reversal of 6923920 is 293296.

It is an interprime number because it is at equal distance from previous prime (6923911) and next prime (6923929).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (6923929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97485 + ... + 97555.

Almost surely, 2^6923920 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 6923920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8678016).

6923920 is an abundant number, since it is smaller than the sum of its proper divisors (10432112).

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

6923920 is a wasteful number, since it uses less digits than its factorization.

6923920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 6923920 is about 2631.3342623088. The cubic root of 6923920 is about 190.5975646264.

The spelling of 6923920 in words is "six million, nine hundred twenty-three thousand, nine hundred twenty".