3940970 has 24 divisors (see below), whose sum is σ = 7799652. Its totient is φ = 1432640.

The previous prime is 3940969. The next prime is 3940987. The reversal of 3940970 is 790493.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3876961 + 64009 = 1969^2 + 253^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419 + ... + 2838.

Almost surely, 2^3940970 is an apocalyptic number.

3940970 is a deficient number, since it is larger than the sum of its proper divisors (3858682).

3940970 is a wasteful number, since it uses less digits than its factorization.

3940970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286 (or 3275 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 3940970 is about 1985.1876485612. The cubic root of 3940970 is about 157.9553631318.

The spelling of 3940970 in words is "three million, nine hundred forty thousand, nine hundred seventy".