3960427 has 2 divisors, whose sum is σ = 3960428. Its totient is φ = 3960426.

The previous prime is 3960421. The next prime is 3960431. The reversal of 3960427 is 7240693.

It is a strong prime.

It is an emirp because it is prime and its reverse (7240693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3960427 - 2³ = 3960419 is a prime.

It is a nialpdrome in base 13.

It is not a weakly prime, because it can be changed into another prime (3960421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980213 + 1980214.

It is an arithmetic number, because the mean of its divisors is an integer number (1980214).

Almost surely, 2^3960427 is an apocalyptic number.

3960427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3960427 is an equidigital number, since it uses as much as digits as its factorization.

3960427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 3960427 is about 1990.0821591080. The cubic root of 3960427 is about 158.2148841403.

The spelling of 3960427 in words is "three million, nine hundred sixty thousand, four hundred twenty-seven".