396403199 has 4 divisors (see below), whose sum is σ = 397323360. Its totient is φ = 395483040.

The previous prime is 396403181. The next prime is 396403201. The reversal of 396403199 is 991304693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991304693 = 11731 ⋅84503.

It is a cyclic number.

It is not a de Polignac number, because 396403199 - 2¹² = 396399103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396403109) 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 in 3 ways as a sum of consecutive naturals, for example, 459434 + ... + 460295.

It is an arithmetic number, because the mean of its divisors is an integer number (99330840).

Almost surely, 2^396403199 is an apocalyptic number.

396403199 is a deficient number, since it is larger than the sum of its proper divisors (920161).

396403199 is an equidigital number, since it uses as much as digits as its factorization.

396403199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920160.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 396403199 is about 19909.8769207647. The cubic root of 396403199 is about 734.5911922874.

The spelling of 396403199 in words is "three hundred ninety-six million, four hundred three thousand, one hundred ninety-nine".