3965976 has 128 divisors (see below), whose sum is σ = 13094400. Its totient is φ = 1088640.

The previous prime is 3965963. The next prime is 3966007. The reversal of 3965976 is 6795693.

Its product of digits (306180) is a multiple of the sum of its prime factors (126).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64986 + ... + 65046.

It is an arithmetic number, because the mean of its divisors is an integer number (102300).

Almost surely, 2^3965976 is an apocalyptic number.

3965976 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3965976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6547200).

3965976 is an abundant number, since it is smaller than the sum of its proper divisors (9128424).

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

3965976 is a wasteful number, since it uses less digits than its factorization.

3965976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 116 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 3965976 is about 1991.4758346513. The cubic root of 3965976 is about 158.2887418904.

The spelling of 3965976 in words is "three million, nine hundred sixty-five thousand, nine hundred seventy-six".