3571972 has 12 divisors (see below), whose sum is σ = 6618780. Its totient is φ = 1680896.

The previous prime is 3571933. The next prime is 3571973. The reversal of 3571972 is 2791753.

It can be written as a sum of positive squares in 2 ways, for example, as 1218816 + 2353156 = 1104^2 + 1534^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (3571973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26197 + ... + 26332.

It is an arithmetic number, because the mean of its divisors is an integer number (551565).

Almost surely, 2^3571972 is an apocalyptic number.

It is an amenable number.

3571972 is a deficient number, since it is larger than the sum of its proper divisors (3046808).

3571972 is a wasteful number, since it uses less digits than its factorization.

3571972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52550 (or 52548 counting only the distinct ones).

The product of its digits is 13230, while the sum is 34.

The square root of 3571972 is about 1889.9661372628. The cubic root of 3571972 is about 152.8631067968.

The spelling of 3571972 in words is "three million, five hundred seventy-one thousand, nine hundred seventy-two".