865389348 has 36 divisors (see below), whose sum is σ = 2262946140. Its totient is φ = 278515776.

The previous prime is 865389341. The next prime is 865389359. The reversal of 865389348 is 843983568.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 511121664 + 354267684 = 22608^2 + 18822^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 865389294 and 865389303.

It is not an unprimeable number, because it can be changed into a prime (865389341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413415 + ... + 415502.

It is an arithmetic number, because the mean of its divisors is an integer number (62859615).

Almost surely, 2^865389348 is an apocalyptic number.

It is an amenable number.

865389348 is an abundant number, since it is smaller than the sum of its proper divisors (1397556792).

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

865389348 is a wasteful number, since it uses less digits than its factorization.

865389348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828956 (or 828951 counting only the distinct ones).

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

The square root of 865389348 is about 29417.5007096116. The cubic root of 865389348 is about 952.9508791852.

The spelling of 865389348 in words is "eight hundred sixty-five million, three hundred eighty-nine thousand, three hundred forty-eight".