396203873 has 4 divisors (see below), whose sum is σ = 426681108. Its totient is φ = 365726640.

The previous prime is 396203861. The next prime is 396203879. The reversal of 396203873 is 378302693.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 233692369 + 162511504 = 15287^2 + 12748^2 .

It is a cyclic number.

It is not a de Polignac number, because 396203873 - 2¹² = 396199777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 396203873.

It is not an unprimeable number, because it can be changed into a prime (396203879) 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, 15238598 + ... + 15238623.

It is an arithmetic number, because the mean of its divisors is an integer number (106670277).

Almost surely, 2^396203873 is an apocalyptic number.

It is an amenable number.

396203873 is a deficient number, since it is larger than the sum of its proper divisors (30477235).

396203873 is a wasteful number, since it uses less digits than its factorization.

396203873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30477234.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 396203873 is about 19904.8705848594. The cubic root of 396203873 is about 734.4680452211.

It can be divided in two parts, 396 and 203873, that multiplied together give a palindrome (80733708).

The spelling of 396203873 in words is "three hundred ninety-six million, two hundred three thousand, eight hundred seventy-three".