396433847 has 2 divisors, whose sum is σ = 396433848. Its totient is φ = 396433846.

The previous prime is 396433811. The next prime is 396433867. The reversal of 396433847 is 748334693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 396433847 - 2¹² = 396429751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396433867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198216923 + 198216924.

It is an arithmetic number, because the mean of its divisors is an integer number (198216924).

Almost surely, 2^396433847 is an apocalyptic number.

396433847 is a deficient number, since it is larger than the sum of its proper divisors (1).

396433847 is an equidigital number, since it uses as much as digits as its factorization.

396433847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 47.

The square root of 396433847 is about 19910.6465741321. The cubic root of 396433847 is about 734.6101234924.

The spelling of 396433847 in words is "three hundred ninety-six million, four hundred thirty-three thousand, eight hundred forty-seven".