285376512 has 64 divisors (see below), whose sum is σ = 761254560. Its totient is φ = 95092736.

The previous prime is 285376471. The next prime is 285376513. The reversal of 285376512 is 215673582.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×285376512² = 162879507202572288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285376513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96853 + ... + 99755.

Almost surely, 2^285376512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285376512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380627280).

285376512 is an abundant number, since it is smaller than the sum of its proper divisors (475878048).

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

285376512 is an frugal number, since it uses more digits than its factorization.

285376512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936 (or 2908 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 285376512 is about 16893.0906586095. The cubic root of 285376512 is about 658.3741062963.

The spelling of 285376512 in words is "two hundred eighty-five million, three hundred seventy-six thousand, five hundred twelve".