8397380 has 24 divisors (see below), whose sum is σ = 17707032. Its totient is φ = 3345152.

The previous prime is 8397379. The next prime is 8397391. The reversal of 8397380 is 837938.

It can be written as a sum of positive squares in 4 ways, for example, as 4129024 + 4268356 = 2032^2 + 2066^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5144 + ... + 6576.

It is an arithmetic number, because the mean of its divisors is an integer number (737793).

Almost surely, 2^8397380 is an apocalyptic number.

It is an amenable number.

8397380 is an abundant number, since it is smaller than the sum of its proper divisors (9309652).

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

8397380 is a wasteful number, since it uses less digits than its factorization.

8397380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 8397380 is about 2897.8233210463. The cubic root of 8397380 is about 203.2581345744.

The spelling of 8397380 in words is "eight million, three hundred ninety-seven thousand, three hundred eighty".