3961776 has 80 divisors (see below), whose sum is σ = 12610304. Its totient is φ = 1043712.

The previous prime is 3961759. The next prime is 3961781. The reversal of 3961776 is 6771693.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3915 + ... + 4821.

Almost surely, 2^3961776 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 3961776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6305152).

3961776 is an abundant number, since it is smaller than the sum of its proper divisors (8648528).

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

3961776 is a wasteful number, since it uses less digits than its factorization.

3961776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 932 counting only the distinct ones).

The product of its digits is 47628, while the sum is 39.

The square root of 3961776 is about 1990.4210609818. The cubic root of 3961776 is about 158.2328458105.

It can be divided in two parts, 39617 and 76, that added together give a palindrome (39693).

The spelling of 3961776 in words is "three million, nine hundred sixty-one thousand, seven hundred seventy-six".