396541559 has 4 divisors (see below), whose sum is σ = 397330416. Its totient is φ = 395752704.

The previous prime is 396541549. The next prime is 396541583. The reversal of 396541559 is 955145693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 955145693 = 593 ⋅1610701.

It is a cyclic number.

It is not a de Polignac number, because 396541559 - 2²⁰ = 395492983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396541549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393674 + ... + 394679.

It is an arithmetic number, because the mean of its divisors is an integer number (99332604).

Almost surely, 2^396541559 is an apocalyptic number.

396541559 is a deficient number, since it is larger than the sum of its proper divisors (788857).

396541559 is an equidigital number, since it uses as much as digits as its factorization.

396541559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788856.

The product of its digits is 729000, while the sum is 47.

The square root of 396541559 is about 19913.3512749612. The cubic root of 396541559 is about 734.6766492285.

The spelling of 396541559 in words is "three hundred ninety-six million, five hundred forty-one thousand, five hundred fifty-nine".