865483146 has 72 divisors (see below), whose sum is σ = 2138756256. Its totient is φ = 250834320.

The previous prime is 865483139. The next prime is 865483207. The reversal of 865483146 is 641384568.

865483146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×865483146² = 1498122152020114632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 100611 + ... + 108873.

It is an arithmetic number, because the mean of its divisors is an integer number (29704948).

Almost surely, 2^865483146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 865483146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1069378128).

865483146 is an abundant number, since it is smaller than the sum of its proper divisors (1273273110).

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

865483146 is a wasteful number, since it uses less digits than its factorization.

865483146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8328 (or 8302 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 865483146 is about 29419.0949214961. The cubic root of 865483146 is about 952.9853074872.

The spelling of 865483146 in words is "eight hundred sixty-five million, four hundred eighty-three thousand, one hundred forty-six".