396091 has 2 divisors, whose sum is σ = 396092. Its totient is φ = 396090.

The previous prime is 396079. The next prime is 396103. The reversal of 396091 is 190693.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (396079) and next prime (396103).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396091 is a prime.

396091 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (396001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198045 + 198046.

It is an arithmetic number, because the mean of its divisors is an integer number (198046).

2³⁹⁶⁰⁹¹ is an apocalyptic number.

396091 is a deficient number, since it is larger than the sum of its proper divisors (1).

396091 is an equidigital number, since it uses as much as digits as its factorization.

396091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 396091 is about 629.3576089951. The cubic root of 396091 is about 73.4398292003.

The spelling of 396091 in words is "three hundred ninety-six thousand, ninety-one".