8281972 has 24 divisors (see below), whose sum is σ = 14968800. Its totient is φ = 4007136.

The previous prime is 8281943. The next prime is 8281979. The reversal of 8281972 is 2791828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8281979) 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, 30654 + ... + 30922.

It is an arithmetic number, because the mean of its divisors is an integer number (623700).

Almost surely, 2^8281972 is an apocalyptic number.

It is an amenable number.

8281972 is a deficient number, since it is larger than the sum of its proper divisors (6686828).

8281972 is a wasteful number, since it uses less digits than its factorization.

8281972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 493 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 8281972 is about 2877.8415522749. The cubic root of 8281972 is about 202.3226878506.

The spelling of 8281972 in words is "eight million, two hundred eighty-one thousand, nine hundred seventy-two".