396849836 has 12 divisors (see below), whose sum is σ = 735339528. Its totient is φ = 186752832.

The previous prime is 396849823. The next prime is 396849857. The reversal of 396849836 is 638948693.

It is an unprimeable number.

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, 2917946 + ... + 2918081.

It is an arithmetic number, because the mean of its divisors is an integer number (61278294).

Almost surely, 2^396849836 is an apocalyptic number.

It is an amenable number.

396849836 is a deficient number, since it is larger than the sum of its proper divisors (338489692).

396849836 is a wasteful number, since it uses less digits than its factorization.

396849836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836048 (or 5836046 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 56.

The square root of 396849836 is about 19921.0902312097. The cubic root of 396849836 is about 734.8669825769.

The spelling of 396849836 in words is "three hundred ninety-six million, eight hundred forty-nine thousand, eight hundred thirty-six".