3957282 has 96 divisors (see below), whose sum is σ = 10972800. Its totient is φ = 1034208.

The previous prime is 3957271. The next prime is 3957287. The reversal of 3957282 is 2827593.

It is a happy number.

3957282 is a `hidden beast` number, since 3 + 9 + 572 + 82 = 666.

It is an Ulam number.

Its product of digits (30240) is a multiple of the sum of its prime divisors (60).

It is not an unprimeable number, because it can be changed into a prime (3957287) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136444 + ... + 136472.

It is an arithmetic number, because the mean of its divisors is an integer number (114300).

Almost surely, 2^3957282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3957282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5486400).

3957282 is an abundant number, since it is smaller than the sum of its proper divisors (7015518).

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

3957282 is a wasteful number, since it uses less digits than its factorization.

3957282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 60 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 3957282 is about 1989.2918337941. The cubic root of 3957282 is about 158.1729932381.

The spelling of 3957282 in words is "three million, nine hundred fifty-seven thousand, two hundred eighty-two".