3945160 has 64 divisors (see below), whose sum is σ = 9720000. Its totient is φ = 1435392.

The previous prime is 3945157. The next prime is 3945163. The reversal of 3945160 is 615493.

It is an interprime number because it is at equal distance from previous prime (3945157) and next prime (3945163).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21951 + ... + 22129.

It is an arithmetic number, because the mean of its divisors is an integer number (151875).

Almost surely, 2^3945160 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 3945160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4860000).

3945160 is an abundant number, since it is smaller than the sum of its proper divisors (5774840).

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

3945160 is a wasteful number, since it uses less digits than its factorization.

3945160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3945160 is about 1986.2426840646. The cubic root of 3945160 is about 158.0113221604.

The spelling of 3945160 in words is "three million, nine hundred forty-five thousand, one hundred sixty".