3287386381 has 2 divisors, whose sum is σ = 3287386382. Its totient is φ = 3287386380.

The previous prime is 3287386369. The next prime is 3287386409. The reversal of 3287386381 is 1836837823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3256528356 + 30858025 = 57066^2 + 5555^2 .

It is a cyclic number.

It is not a de Polignac number, because 3287386381 - 2⁷ = 3287386253 is a prime.

It is a super-2 number, since 2×3287386381² = 21613818435968554322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3287386301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643693190 + 1643693191.

It is an arithmetic number, because the mean of its divisors is an integer number (1643693191).

Almost surely, 2^3287386381 is an apocalyptic number.

It is an amenable number.

3287386381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3287386381 is an equidigital number, since it uses as much as digits as its factorization.

3287386381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 49.

The square root of 3287386381 is about 57335.7338925735. The cubic root of 3287386381 is about 1486.9062394573.

The spelling of 3287386381 in words is "three billion, two hundred eighty-seven million, three hundred eighty-six thousand, three hundred eighty-one".