396781214 has 16 divisors (see below), whose sum is σ = 625968000. Its totient is φ = 188366880.

The previous prime is 396781163. The next prime is 396781223. The reversal of 396781214 is 412187693.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 57089 + ... + 63660.

It is an arithmetic number, because the mean of its divisors is an integer number (39123000).

Almost surely, 2^396781214 is an apocalyptic number.

396781214 is a deficient number, since it is larger than the sum of its proper divisors (229186786).

396781214 is a wasteful number, since it uses less digits than its factorization.

396781214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120835.

The product of its digits is 72576, while the sum is 41.

The square root of 396781214 is about 19919.3678112534. The cubic root of 396781214 is about 734.8246231886.

The spelling of 396781214 in words is "three hundred ninety-six million, seven hundred eighty-one thousand, two hundred fourteen".