396897503 has 2 divisors, whose sum is σ = 396897504. Its totient is φ = 396897502.

The previous prime is 396897497. The next prime is 396897539. The reversal of 396897503 is 305798693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 396897503 - 2²⁶ = 329788639 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 (396897203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198448751 + 198448752.

It is an arithmetic number, because the mean of its divisors is an integer number (198448752).

Almost surely, 2^396897503 is an apocalyptic number.

396897503 is a deficient number, since it is larger than the sum of its proper divisors (1).

396897503 is an equidigital number, since it uses as much as digits as its factorization.

396897503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 396897503 is about 19922.2865906502. The cubic root of 396897503 is about 734.8964038667.

The spelling of 396897503 in words is "three hundred ninety-six million, eight hundred ninety-seven thousand, five hundred three".