287385348 has 24 divisors (see below), whose sum is σ = 670845952. Its totient is φ = 95755104.

The previous prime is 287385337. The next prime is 287385403. The reversal of 287385348 is 843583782.

It is a super-4 number, since 4×287385348⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 287385297 and 287385306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44586 + ... + 50622.

Almost surely, 2^287385348 is an apocalyptic number.

It is an amenable number.

287385348 is an abundant number, since it is smaller than the sum of its proper divisors (383460604).

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

287385348 is a wasteful number, since it uses less digits than its factorization.

287385348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011 (or 10009 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 287385348 is about 16952.4437176473. The cubic root of 287385348 is about 659.9153151217.

The spelling of 287385348 in words is "two hundred eighty-seven million, three hundred eighty-five thousand, three hundred forty-eight".