396104549 has 2 divisors, whose sum is σ = 396104550. Its totient is φ = 396104548.

The previous prime is 396104521. The next prime is 396104593. The reversal of 396104549 is 945401693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298944100 + 97160449 = 17290^2 + 9857^2 .

It is a cyclic number.

It is not a de Polignac number, because 396104549 - 2²⁸ = 127669093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396104509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198052274 + 198052275.

It is an arithmetic number, because the mean of its divisors is an integer number (198052275).

Almost surely, 2^396104549 is an apocalyptic number.

It is an amenable number.

396104549 is a deficient number, since it is larger than the sum of its proper divisors (1).

396104549 is an equidigital number, since it uses as much as digits as its factorization.

396104549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 396104549 is about 19902.3754612358. The cubic root of 396104549 is about 734.4066657093.

The spelling of 396104549 in words is "three hundred ninety-six million, one hundred four thousand, five hundred forty-nine".