395497560 has 64 divisors (see below), whose sum is σ = 1191801600. Its totient is φ = 104994176.

The previous prime is 395497547. The next prime is 395497561. The reversal of 395497560 is 65794593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395497561) 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 15 ways as a sum of consecutive naturals, for example, 19981 + ... + 34499.

It is an arithmetic number, because the mean of its divisors is an integer number (18621900).

Almost surely, 2^395497560 is an apocalyptic number.

395497560 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 395497560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595900800).

395497560 is an abundant number, since it is smaller than the sum of its proper divisors (796304040).

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

395497560 is a wasteful number, since it uses less digits than its factorization.

395497560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14760 (or 14756 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 48.

The square root of 395497560 is about 19887.1204552092. The cubic root of 395497560 is about 734.0313399988.

The spelling of 395497560 in words is "three hundred ninety-five million, four hundred ninety-seven thousand, five hundred sixty".