285079752 has 24 divisors (see below), whose sum is σ = 772091190. Its totient is φ = 95026560.

The previous prime is 285079741. The next prime is 285079759. The reversal of 285079752 is 257970582.

It is a happy number.

285079752 is a `hidden beast` number, since 2 + 8 + 507 + 97 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 284461956 + 617796 = 16866^2 + 786^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 285079698 and 285079707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285079759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1979649 + ... + 1979792.

Almost surely, 2^285079752 is an apocalyptic number.

It is an amenable number.

285079752 is an abundant number, since it is smaller than the sum of its proper divisors (487011438).

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

285079752 is a wasteful number, since it uses less digits than its factorization.

285079752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959453 (or 3959446 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 285079752 is about 16884.3049012981. The cubic root of 285079752 is about 658.1458150683.

The spelling of 285079752 in words is "two hundred eighty-five million, seventy-nine thousand, seven hundred fifty-two".