396627330 has 128 divisors (see below), whose sum is σ = 1083580416. Its totient is φ = 92044800.

The previous prime is 396627311. The next prime is 396627331. The reversal of 396627330 is 33726693.

It is not an unprimeable number, because it can be changed into a prime (396627331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1401369 + ... + 1401651.

It is an arithmetic number, because the mean of its divisors is an integer number (8465472).

Almost surely, 2^396627330 is an apocalyptic number.

396627330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 396627330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541790208).

396627330 is an abundant number, since it is smaller than the sum of its proper divisors (686953086).

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

396627330 is a wasteful number, since it uses less digits than its factorization.

396627330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 122472, while the sum is 39.

The square root of 396627330 is about 19915.5047638768. The cubic root of 396627330 is about 734.7296150163.

It can be divided in two parts, 396 and 627330, that added together give a palindrome (627726).

The spelling of 396627330 in words is "three hundred ninety-six million, six hundred twenty-seven thousand, three hundred thirty".