396541583 has 2 divisors, whose sum is σ = 396541584. Its totient is φ = 396541582.

The previous prime is 396541549. The next prime is 396541589. The reversal of 396541583 is 385145693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 396541583 - 2¹² = 396537487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396541589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198270791 + 198270792.

It is an arithmetic number, because the mean of its divisors is an integer number (198270792).

Almost surely, 2^396541583 is an apocalyptic number.

396541583 is a deficient number, since it is larger than the sum of its proper divisors (1).

396541583 is an equidigital number, since it uses as much as digits as its factorization.

396541583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 396541583 is about 19913.3518775720. The cubic root of 396541583 is about 734.6766640502.

The spelling of 396541583 in words is "three hundred ninety-six million, five hundred forty-one thousand, five hundred eighty-three".