7832381 has 2 divisors, whose sum is σ = 7832382. Its totient is φ = 7832380.

The previous prime is 7832371. The next prime is 7832387. The reversal of 7832381 is 1832387.

7832381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4972900 + 2859481 = 2230^2 + 1691^2 .

It is a cyclic number.

It is not a de Polignac number, because 7832381 - 2⁶ = 7832317 is a prime.

It is a super-2 number, since 2×7832381² = 122692384258322, which contains 22 as substring.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7832387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3916190 + 3916191.

It is an arithmetic number, because the mean of its divisors is an integer number (3916191).

Almost surely, 2^7832381 is an apocalyptic number.

It is an amenable number.

7832381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7832381 is an equidigital number, since it uses as much as digits as its factorization.

7832381 is an evil number, because the sum of its binary digits is even.

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

The square root of 7832381 is about 2798.6391335790. The cubic root of 7832381 is about 198.5933042314.

The spelling of 7832381 in words is "seven million, eight hundred thirty-two thousand, three hundred eighty-one".