396485388 has 192 divisors, whose sum is σ = 1185408000. Its totient is φ = 113591808.

The previous prime is 396485357. The next prime is 396485389. The reversal of 396485388 is 883584693.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (396485389) 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, 2374081 + ... + 2374247.

It is an arithmetic number, because the mean of its divisors is an integer number (6174000).

Almost surely, 2^396485388 is an apocalyptic number.

396485388 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 396485388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592704000).

396485388 is an abundant number, since it is smaller than the sum of its proper divisors (788922612).

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

396485388 is a wasteful number, since it uses less digits than its factorization.

396485388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 293 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 396485388 is about 19911.9408396068. The cubic root of 396485388 is about 734.6419580595.

The spelling of 396485388 in words is "three hundred ninety-six million, four hundred eighty-five thousand, three hundred eighty-eight".