3942770 has 24 divisors (see below), whose sum is σ = 7688196. Its totient is φ = 1455168.

The previous prime is 3942769. The next prime is 3942773. The reversal of 3942770 is 772493.

It is a happy number.

3942770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 229441 + 3713329 = 479^2 + 1927^2 .

It is not an unprimeable number, because it can be changed into a prime (3942773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524 + ... + 2856.

Almost surely, 2^3942770 is an apocalyptic number.

3942770 is a deficient number, since it is larger than the sum of its proper divisors (3745426).

3942770 is a wasteful number, since it uses less digits than its factorization.

3942770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366 (or 2353 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 3942770 is about 1985.6409544527. The cubic root of 3942770 is about 157.9794076672.

The spelling of 3942770 in words is "three million, nine hundred forty-two thousand, seven hundred seventy".