8327440 has 40 divisors (see below), whose sum is σ = 21123648. Its totient is φ = 3027840.

The previous prime is 8327411. The next prime is 8327441. The reversal of 8327440 is 447238.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 8327399 and 8327408.

It is not an unprimeable number, because it can be changed into a prime (8327441) 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, 3852 + ... + 5611.

Almost surely, 2^8327440 is an apocalyptic number.

8327440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8327440 is an abundant number, since it is smaller than the sum of its proper divisors (12796208).

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

8327440 is a wasteful number, since it uses less digits than its factorization.

8327440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9487 (or 9481 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 8327440 is about 2885.7304101388. The cubic root of 8327440 is about 202.6922626567.

The spelling of 8327440 in words is "eight million, three hundred twenty-seven thousand, four hundred forty".