3975740 has 24 divisors (see below), whose sum is σ = 8415792. Its totient is φ = 1577600.

The previous prime is 3975721. The next prime is 3975749. The reversal of 3975740 is 475793.

It is a self number, because there is not a number n which added to its sum of digits gives 3975740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2015 + ... + 3465.

It is an arithmetic number, because the mean of its divisors is an integer number (350658).

Almost surely, 2^3975740 is an apocalyptic number.

It is an amenable number.

3975740 is an abundant number, since it is smaller than the sum of its proper divisors (4440052).

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

3975740 is a wasteful number, since it uses less digits than its factorization.

3975740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 3975740 is about 1993.9257759505. The cubic root of 3975740 is about 158.4185346301.

The spelling of 3975740 in words is "three million, nine hundred seventy-five thousand, seven hundred forty".