396281214 has 128 divisors (see below), whose sum is σ = 1105920000. Its totient is φ = 102557664.

The previous prime is 396281183. The next prime is 396281227. The reversal of 396281214 is 412182693.

396281214 is a `hidden beast` number, since 3 + 9 + 628 + 1 + 21 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 163987 + ... + 166385.

It is an arithmetic number, because the mean of its divisors is an integer number (8640000).

Almost surely, 2^396281214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396281214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552960000).

396281214 is an abundant number, since it is smaller than the sum of its proper divisors (709638786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396281214 is a wasteful number, since it uses less digits than its factorization.

396281214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459 (or 2453 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 396281214 is about 19906.8132557675. The cubic root of 396281214 is about 734.5158327376.

It can be divided in two parts, 396281 and 214, that added together give a triangular number (396495 = T₈₉₀).

The spelling of 396281214 in words is "three hundred ninety-six million, two hundred eighty-one thousand, two hundred fourteen".