8380831 has 2 divisors, whose sum is σ = 8380832. Its totient is φ = 8380830.

The previous prime is 8380811. The next prime is 8380859. The reversal of 8380831 is 1380838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8380831 - 2²¹ = 6283679 is a prime.

It is a super-2 number, since 2×8380831² = 140476656501122, which contains 22 as substring.

8380831 is a lucky number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 8380793 and 8380802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8380811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4190415 + 4190416.

It is an arithmetic number, because the mean of its divisors is an integer number (4190416).

Almost surely, 2^8380831 is an apocalyptic number.

8380831 is a deficient number, since it is larger than the sum of its proper divisors (1).

8380831 is an equidigital number, since it uses as much as digits as its factorization.

8380831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 8380831 is about 2894.9664937612. The cubic root of 8380831 is about 203.1245242119.

The spelling of 8380831 in words is "eight million, three hundred eighty thousand, eight hundred thirty-one".