3923320 has 32 divisors (see below), whose sum is σ = 9036720. Its totient is φ = 1532160.

The previous prime is 3923303. The next prime is 3923321. The reversal of 3923320 is 233293.

It is a junction number, because it is equal to n+sod(n) for n = 3923291 and 3923300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580 + ... + 2860.

Almost surely, 2^3923320 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 3923320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4518360).

3923320 is an abundant number, since it is smaller than the sum of its proper divisors (5113400).

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

3923320 is a wasteful number, since it uses less digits than its factorization.

3923320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2331 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 3923320 is about 1980.7372364854. The cubic root of 3923320 is about 157.7192043080.

The spelling of 3923320 in words is "three million, nine hundred twenty-three thousand, three hundred twenty".