3932281 has 2 divisors, whose sum is σ = 3932282. Its totient is φ = 3932280.

The previous prime is 3932239. The next prime is 3932303. The reversal of 3932281 is 1822393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3920400 + 11881 = 1980^2 + 109^2 .

It is an emirp because it is prime and its reverse (1822393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3932281 - 2⁷ = 3932153 is a prime.

It is a super-2 number, since 2×3932281² = 30925667725922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3932581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1966140 + 1966141.

It is an arithmetic number, because the mean of its divisors is an integer number (1966141).

Almost surely, 2^3932281 is an apocalyptic number.

It is an amenable number.

3932281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3932281 is an equidigital number, since it uses as much as digits as its factorization.

3932281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 3932281 is about 1982.9979828532. The cubic root of 3932281 is about 157.8391917274.

The spelling of 3932281 in words is "three million, nine hundred thirty-two thousand, two hundred eighty-one".