3971330 has 32 divisors (see below), whose sum is σ = 7914240. Its totient is φ = 1422720.

The previous prime is 3971311. The next prime is 3971333. The reversal of 3971330 is 331793.

It is a self number, because there is not a number n which added to its sum of digits gives 3971330.

It is not an unprimeable number, because it can be changed into a prime (3971333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8462 + ... + 8918.

It is an arithmetic number, because the mean of its divisors is an integer number (247320).

Almost surely, 2^3971330 is an apocalyptic number.

3971330 is a deficient number, since it is larger than the sum of its proper divisors (3942910).

3971330 is a wasteful number, since it uses less digits than its factorization.

3971330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 1701, while the sum is 26.

The square root of 3971330 is about 1992.8196105017. The cubic root of 3971330 is about 158.3599388963.

The spelling of 3971330 in words is "three million, nine hundred seventy-one thousand, three hundred thirty".