3940180 has 12 divisors (see below), whose sum is σ = 8274420. Its totient is φ = 1576064.

The previous prime is 3940177. The next prime is 3940207. The reversal of 3940180 is 810493.

It can be written as a sum of positive squares in 2 ways, for example, as 2085136 + 1855044 = 1444^2 + 1362^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98485 + ... + 98524.

It is an arithmetic number, because the mean of its divisors is an integer number (689535).

Almost surely, 2^3940180 is an apocalyptic number.

It is an amenable number.

3940180 is an abundant number, since it is smaller than the sum of its proper divisors (4334240).

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

3940180 is a wasteful number, since it uses less digits than its factorization.

3940180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197018 (or 197016 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3940180 is about 1984.9886649550. The cubic root of 3940180 is about 157.9448079406.

The spelling of 3940180 in words is "three million, nine hundred forty thousand, one hundred eighty".