396503983 has 2 divisors, whose sum is σ = 396503984. Its totient is φ = 396503982.

The previous prime is 396503977. The next prime is 396503993. The reversal of 396503983 is 389305693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 396503983 - 2²⁵ = 362949551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396503963) 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, 198251991 + 198251992.

It is an arithmetic number, because the mean of its divisors is an integer number (198251992).

Almost surely, 2^396503983 is an apocalyptic number.

396503983 is a deficient number, since it is larger than the sum of its proper divisors (1).

396503983 is an equidigital number, since it uses as much as digits as its factorization.

396503983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 46.

The square root of 396503983 is about 19912.4077650092. The cubic root of 396503983 is about 734.6534426808.

The spelling of 396503983 in words is "three hundred ninety-six million, five hundred three thousand, nine hundred eighty-three".