3985960 has 32 divisors (see below), whose sum is σ = 9784800. Its totient is φ = 1449280.

The previous prime is 3985951. The next prime is 3985999. The reversal of 3985960 is 695893.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4090 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (305775).

Almost surely, 2^3985960 is an apocalyptic number.

It is an amenable number.

3985960 is an abundant number, since it is smaller than the sum of its proper divisors (5798840).

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

3985960 is a wasteful number, since it uses less digits than its factorization.

3985960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9081 (or 9077 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 3985960 is about 1996.4869145577. The cubic root of 3985960 is about 158.5541615497.

The spelling of 3985960 in words is "three million, nine hundred eighty-five thousand, nine hundred sixty".