396019712 has 48 divisors (see below), whose sum is σ = 863881200. Its totient is φ = 179998720.

The previous prime is 396019711. The next prime is 396019787. The reversal of 396019712 is 217910693.

It is a happy number.

It is a super-2 number, since 2×396019712² = 313663224585125888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (396019711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13739 + ... + 31317.

It is an arithmetic number, because the mean of its divisors is an integer number (17997525).

Almost surely, 2^396019712 is an apocalyptic number.

396019712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396019712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431940600).

396019712 is an abundant number, since it is smaller than the sum of its proper divisors (467861488).

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

396019712 is a wasteful number, since it uses less digits than its factorization.

396019712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17612 (or 17592 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 396019712 is about 19900.2440186044. The cubic root of 396019712 is about 734.3542306412.

The spelling of 396019712 in words is "three hundred ninety-six million, nineteen thousand, seven hundred twelve".