3940270 has 16 divisors (see below), whose sum is σ = 7199568. Its totient is φ = 1552320.

The previous prime is 3940267. The next prime is 3940271. The reversal of 3940270 is 720493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940271) 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, 2271 + ... + 3610.

It is an arithmetic number, because the mean of its divisors is an integer number (449973).

Almost surely, 2^3940270 is an apocalyptic number.

3940270 is a deficient number, since it is larger than the sum of its proper divisors (3259298).

3940270 is a wasteful number, since it uses less digits than its factorization.

3940270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 3940270 is about 1985.0113349802. The cubic root of 3940270 is about 157.9460105019.

The spelling of 3940270 in words is "three million, nine hundred forty thousand, two hundred seventy".