287482272 has 96 divisors (see below), whose sum is σ = 940875264. Its totient is φ = 74668800.

The previous prime is 287482271. The next prime is 287482289. The reversal of 287482272 is 272284782.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (287482271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12054 + ... + 26837.

It is an arithmetic number, because the mean of its divisors is an integer number (9800784).

Almost surely, 2^287482272 is an apocalyptic number.

287482272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

287482272 is an abundant number, since it is smaller than the sum of its proper divisors (653392992).

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

287482272 is a wasteful number, since it uses less digits than its factorization.

287482272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38922 (or 38914 counting only the distinct ones).

The product of its digits is 200704, while the sum is 42.

The square root of 287482272 is about 16955.3021795543. The cubic root of 287482272 is about 659.9894947823.

The spelling of 287482272 in words is "two hundred eighty-seven million, four hundred eighty-two thousand, two hundred seventy-two".