3971322 has 32 divisors (see below), whose sum is σ = 8890560. Its totient is φ = 1314000.

The previous prime is 3971311. The next prime is 3971333. The reversal of 3971322 is 2231793.

It is an interprime number because it is at equal distance from previous prime (3971311) and next prime (3971333).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13408 + ... + 13700.

It is an arithmetic number, because the mean of its divisors is an integer number (277830).

Almost surely, 2^3971322 is an apocalyptic number.

3971322 is an abundant number, since it is smaller than the sum of its proper divisors (4919238).

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

3971322 is a wasteful number, since it uses less digits than its factorization.

3971322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 549 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 3971322 is about 1992.8176032944. The cubic root of 3971322 is about 158.3598325607.

The spelling of 3971322 in words is "three million, nine hundred seventy-one thousand, three hundred twenty-two".