287068452 has 48 divisors (see below), whose sum is σ = 731953152. Its totient is φ = 86843680.

The previous prime is 287068447. The next prime is 287068471. The reversal of 287068452 is 254860782.

It is a happy number.

It is a super-2 number, since 2×287068452² = 164816592267352608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96613 + ... + 99539.

It is an arithmetic number, because the mean of its divisors is an integer number (15249024).

Almost surely, 2^287068452 is an apocalyptic number.

287068452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

287068452 is an abundant number, since it is smaller than the sum of its proper divisors (444884700).

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

287068452 is a wasteful number, since it uses less digits than its factorization.

287068452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688 (or 3686 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 287068452 is about 16943.0945225481. The cubic root of 287068452 is about 659.6726659649.

The spelling of 287068452 in words is "two hundred eighty-seven million, sixty-eight thousand, four hundred fifty-two".