396932648 has 64 divisors (see below), whose sum is σ = 910656000. Its totient is φ = 158404032.

The previous prime is 396932647. The next prime is 396932659. The reversal of 396932648 is 846239693.

It is a junction number, because it is equal to n+sod(n) for n = 396932596 and 396932605.

It is not an unprimeable number, because it can be changed into a prime (396932647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59615 + ... + 65937.

It is an arithmetic number, because the mean of its divisors is an integer number (14229000).

Almost surely, 2^396932648 is an apocalyptic number.

396932648 is a gapful number since it is divisible by the number (38) 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 396932648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455328000).

396932648 is an abundant number, since it is smaller than the sum of its proper divisors (513723352).

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

396932648 is a wasteful number, since it uses less digits than its factorization.

396932648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414 (or 6410 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 50.

The square root of 396932648 is about 19923.1686234896. The cubic root of 396932648 is about 734.9180947496.

The spelling of 396932648 in words is "three hundred ninety-six million, nine hundred thirty-two thousand, six hundred forty-eight".