396850507 has 2 divisors, whose sum is σ = 396850508. Its totient is φ = 396850506.

The previous prime is 396850427. The next prime is 396850523. The reversal of 396850507 is 705058693.

It is a strong prime.

It is an emirp because it is prime and its reverse (705058693) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396850507 is a prime.

It is not a weakly prime, because it can be changed into another prime (396850537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198425253 + 198425254.

It is an arithmetic number, because the mean of its divisors is an integer number (198425254).

Almost surely, 2^396850507 is an apocalyptic number.

396850507 is a deficient number, since it is larger than the sum of its proper divisors (1).

396850507 is an equidigital number, since it uses as much as digits as its factorization.

396850507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 396850507 is about 19921.1070726504. The cubic root of 396850507 is about 734.8673967516.

The spelling of 396850507 in words is "three hundred ninety-six million, eight hundred fifty thousand, five hundred seven".