396270047 has 2 divisors, whose sum is σ = 396270048. Its totient is φ = 396270046.

The previous prime is 396270011. The next prime is 396270053. The reversal of 396270047 is 740072693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 396270047 - 2²⁸ = 127834591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396270647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198135023 + 198135024.

It is an arithmetic number, because the mean of its divisors is an integer number (198135024).

Almost surely, 2^396270047 is an apocalyptic number.

396270047 is a deficient number, since it is larger than the sum of its proper divisors (1).

396270047 is an equidigital number, since it uses as much as digits as its factorization.

396270047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 396270047 is about 19906.5327719319. The cubic root of 396270047 is about 734.5089332471.

The spelling of 396270047 in words is "three hundred ninety-six million, two hundred seventy thousand, forty-seven".