396565080 has 128 divisors (see below), whose sum is σ = 1265310720. Its totient is φ = 99207680.

The previous prime is 396565073. The next prime is 396565123. The reversal of 396565080 is 80565693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144925 + ... + 147635.

It is an arithmetic number, because the mean of its divisors is an integer number (9885240).

Almost surely, 2^396565080 is an apocalyptic number.

396565080 is a gapful number since it is divisible by the number (30) 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 396565080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632655360).

396565080 is an abundant number, since it is smaller than the sum of its proper divisors (868745640).

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

396565080 is a wasteful number, since it uses less digits than its factorization.

396565080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801 (or 2797 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 396565080 is about 19913.9418498699. The cubic root of 396565080 is about 734.6911748080.

The spelling of 396565080 in words is "three hundred ninety-six million, five hundred sixty-five thousand, eighty".