3930481 has 2 divisors, whose sum is σ = 3930482. Its totient is φ = 3930480.

The previous prime is 3930467. The next prime is 3930491. The reversal of 3930481 is 1840393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3783025 + 147456 = 1945^2 + 384^2 .

It is an emirp because it is prime and its reverse (1840393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3930481 - 2⁹ = 3929969 is a prime.

It is a super-2 number, since 2×3930481² = 30897361782722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3930461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1965240 + 1965241.

It is an arithmetic number, because the mean of its divisors is an integer number (1965241).

Almost surely, 2^3930481 is an apocalyptic number.

It is an amenable number.

3930481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3930481 is an equidigital number, since it uses as much as digits as its factorization.

3930481 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3930481 is about 1982.5440726501. The cubic root of 3930481 is about 157.8151044435.

The spelling of 3930481 in words is "three million, nine hundred thirty thousand, four hundred eighty-one".