396903238 has 8 divisors (see below), whose sum is σ = 598177080. Its totient is φ = 197510880.

The previous prime is 396903211. The next prime is 396903253. The reversal of 396903238 is 832309693.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 396903194 and 396903203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469843 + ... + 470686.

It is an arithmetic number, because the mean of its divisors is an integer number (74772135).

Almost surely, 2^396903238 is an apocalyptic number.

396903238 is a deficient number, since it is larger than the sum of its proper divisors (201273842).

396903238 is a wasteful number, since it uses less digits than its factorization.

396903238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940742.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 396903238 is about 19922.4305244114. The cubic root of 396903238 is about 734.8999434964.

The spelling of 396903238 in words is "three hundred ninety-six million, nine hundred three thousand, two hundred thirty-eight".