3923776 has 28 divisors (see below), whose sum is σ = 8001508. Its totient is φ = 1907712.

The previous prime is 3923771. The next prime is 3923779. The reversal of 3923776 is 6773293.

It can be written as a sum of positive squares in 2 ways, for example, as 2483776 + 1440000 = 1576^2 + 1200^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540 + ... + 3196.

Almost surely, 2^3923776 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 3923776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4000754).

3923776 is an abundant number, since it is smaller than the sum of its proper divisors (4077732).

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

3923776 is a wasteful number, since it uses less digits than its factorization.

3923776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1696 counting only the distinct ones).

The product of its digits is 47628, while the sum is 37.

The square root of 3923776 is about 1980.8523417963. The cubic root of 3923776 is about 157.7253145387.

The spelling of 3923776 in words is "three million, nine hundred twenty-three thousand, seven hundred seventy-six".