396541 has 2 divisors, whose sum is σ = 396542. Its totient is φ = 396540.

The previous prime is 396533. The next prime is 396547. The reversal of 396541 is 145693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395641 + 900 = 629^2 + 30^2 .

It is a cyclic number.

It is not a de Polignac number, because 396541 - 2³ = 396533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198270 + 198271.

It is an arithmetic number, because the mean of its divisors is an integer number (198271).

2³⁹⁶⁵⁴¹ is an apocalyptic number.

It is an amenable number.

396541 is a deficient number, since it is larger than the sum of its proper divisors (1).

396541 is an equidigital number, since it uses as much as digits as its factorization.

396541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 28.

The square root of 396541 is about 629.7150149075. The cubic root of 396541 is about 73.4676304007.

The spelling of 396541 in words is "three hundred ninety-six thousand, five hundred forty-one".