396235547 has 2 divisors, whose sum is σ = 396235548. Its totient is φ = 396235546.

The previous prime is 396235531. The next prime is 396235561. The reversal of 396235547 is 745532693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 396235547 - 2⁴ = 396235531 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 396235498 and 396235507.

It is not a weakly prime, because it can be changed into another prime (396235577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198117773 + 198117774.

It is an arithmetic number, because the mean of its divisors is an integer number (198117774).

Almost surely, 2^396235547 is an apocalyptic number.

396235547 is a deficient number, since it is larger than the sum of its proper divisors (1).

396235547 is an equidigital number, since it uses as much as digits as its factorization.

396235547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 44.

The square root of 396235547 is about 19905.6662033703. Note that the first 3 decimals coincide. The cubic root of 396235547 is about 734.4876167284.

The spelling of 396235547 in words is "three hundred ninety-six million, two hundred thirty-five thousand, five hundred forty-seven".