396446370 has 64 divisors (see below), whose sum is σ = 982333440. Its totient is φ = 102345408.

The previous prime is 396446333. The next prime is 396446371. The reversal of 396446370 is 73644693.

It is not an unprimeable number, because it can be changed into a prime (396446371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116919 + ... + 120261.

It is an arithmetic number, because the mean of its divisors is an integer number (15348960).

Almost surely, 2^396446370 is an apocalyptic number.

396446370 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 396446370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491166720).

396446370 is an abundant number, since it is smaller than the sum of its proper divisors (585887070).

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

396446370 is a wasteful number, since it uses less digits than its factorization.

396446370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479.

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 396446370 is about 19910.9610516419. The cubic root of 396446370 is about 734.6178586424.

The spelling of 396446370 in words is "three hundred ninety-six million, four hundred forty-six thousand, three hundred seventy".