396146927 has 4 divisors (see below), whose sum is σ = 432160296. Its totient is φ = 360133560.

The previous prime is 396146911. The next prime is 396146939. The reversal of 396146927 is 729641693.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 729641693 = 11 ⋅66331063.

It is a cyclic number.

It is not a de Polignac number, because 396146927 - 2⁴ = 396146911 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 (396146957) 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, 18006668 + ... + 18006689.

It is an arithmetic number, because the mean of its divisors is an integer number (108040074).

Almost surely, 2^396146927 is an apocalyptic number.

396146927 is a deficient number, since it is larger than the sum of its proper divisors (36013369).

396146927 is a wasteful number, since it uses less digits than its factorization.

396146927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36013368.

The product of its digits is 489888, while the sum is 47.

The square root of 396146927 is about 19903.4400795440. The cubic root of 396146927 is about 734.4328554075.

The spelling of 396146927 in words is "three hundred ninety-six million, one hundred forty-six thousand, nine hundred twenty-seven".