3201972 has 24 divisors (see below), whose sum is σ = 7521696. Its totient is φ = 1060128.

The previous prime is 3201971. The next prime is 3201973. The reversal of 3201972 is 2791023.

It is an interprime number because it is at equal distance from previous prime (3201971) and next prime (3201973).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138 + ... + 2774.

It is an arithmetic number, because the mean of its divisors is an integer number (313404).

Almost surely, 2^3201972 is an apocalyptic number.

It is an amenable number.

3201972 is an abundant number, since it is smaller than the sum of its proper divisors (4319724).

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

3201972 is a wasteful number, since it uses less digits than its factorization.

3201972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 3201972 is about 1789.4054878646. The cubic root of 3201972 is about 147.3915241885.

Adding to 3201972 its reverse (2791023), we get a palindrome (5992995).

The spelling of 3201972 in words is "three million, two hundred one thousand, nine hundred seventy-two".