396197187 has 8 divisors (see below), whose sum is σ = 530632704. Its totient is φ = 262946568.

The previous prime is 396197183. The next prime is 396197203. The reversal of 396197187 is 781791693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 396197187 - 2² = 396197183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396197183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295443 + ... + 296780.

It is an arithmetic number, because the mean of its divisors is an integer number (66329088).

Almost surely, 2^396197187 is an apocalyptic number.

396197187 is a deficient number, since it is larger than the sum of its proper divisors (134435517).

396197187 is a wasteful number, since it uses less digits than its factorization.

396197187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592449.

The product of its digits is 571536, while the sum is 51.

The square root of 396197187 is about 19904.7026353071. The cubic root of 396197187 is about 734.4639137782.

The spelling of 396197187 in words is "three hundred ninety-six million, one hundred ninety-seven thousand, one hundred eighty-seven".