3975860 has 36 divisors (see below), whose sum is σ = 9714852. Its totient is φ = 1362816.

The previous prime is 3975857. The next prime is 3975863. The reversal of 3975860 is 685793.

It is an interprime number because it is at equal distance from previous prime (3975857) and next prime (3975863).

It can be written as a sum of positive squares in 2 ways, for example, as 1731856 + 2244004 = 1316^2 + 1498^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1049 + ... + 3008.

It is an arithmetic number, because the mean of its divisors is an integer number (269857).

Almost surely, 2^3975860 is an apocalyptic number.

It is an amenable number.

3975860 is an abundant number, since it is smaller than the sum of its proper divisors (5738992).

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

3975860 is a wasteful number, since it uses less digits than its factorization.

3975860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080 (or 4071 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 3975860 is about 1993.9558671144. The cubic root of 3975860 is about 158.4201284661.

The spelling of 3975860 in words is "three million, nine hundred seventy-five thousand, eight hundred sixty".