8297240 has 32 divisors (see below), whose sum is σ = 21336480. Its totient is φ = 2844672.

The previous prime is 8297197. The next prime is 8297249. The reversal of 8297240 is 427928.

It is a junction number, because it is equal to n+sod(n) for n = 8297197 and 8297206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8297249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14537 + ... + 15096.

It is an arithmetic number, because the mean of its divisors is an integer number (666765).

Almost surely, 2^8297240 is an apocalyptic number.

It is an amenable number.

8297240 is an abundant number, since it is smaller than the sum of its proper divisors (13039240).

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

8297240 is a wasteful number, since it uses less digits than its factorization.

8297240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29651 (or 29647 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 8297240 is about 2880.4930133573. The cubic root of 8297240 is about 202.4469403228.

The spelling of 8297240 in words is "eight million, two hundred ninety-seven thousand, two hundred forty".