3248286381 has 10 divisors (see below), whose sum is σ = 4852378542. Its totient is φ = 2165524200.

The previous prime is 3248286367. The next prime is 3248286397. The reversal of 3248286381 is 1836828423.

3248286381 is a `hidden beast` number, since 3 + 2 + 4 + 8 + 2 + 8 + 638 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2016908100 + 1231378281 = 44910^2 + 35091^2 .

It is not a de Polignac number, because 3248286381 - 2⁷ = 3248286253 is a prime.

It is a super-3 number, since 3×3248286381³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3248286581) 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 in 9 ways as a sum of consecutive naturals, for example, 20051070 + ... + 20051231.

Almost surely, 2^3248286381 is an apocalyptic number.

It is an amenable number.

3248286381 is a deficient number, since it is larger than the sum of its proper divisors (1604092161).

3248286381 is an equidigital number, since it uses as much as digits as its factorization.

3248286381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40102313 (or 40102304 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 3248286381 is about 56993.7398404421. The cubic root of 3248286381 is about 1480.9876505087.

The spelling of 3248286381 in words is "three billion, two hundred forty-eight million, two hundred eighty-six thousand, three hundred eighty-one".