287798348 has 12 divisors (see below), whose sum is σ = 506462040. Its totient is φ = 143094912.

The previous prime is 287798341. The next prime is 287798351. The reversal of 287798348 is 843897782.

It is a super-2 number, since 2×287798348² = 165655778223058208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 287798293 and 287798302.

It is not an unprimeable number, because it can be changed into a prime (287798341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200261 + ... + 201692.

It is an arithmetic number, because the mean of its divisors is an integer number (42205170).

Almost surely, 2^287798348 is an apocalyptic number.

It is an amenable number.

287798348 is a deficient number, since it is larger than the sum of its proper divisors (218663692).

287798348 is a wasteful number, since it uses less digits than its factorization.

287798348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402136 (or 402134 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 56.

The square root of 287798348 is about 16964.6204791030. The cubic root of 287798348 is about 660.2312841084.

The spelling of 287798348 in words is "two hundred eighty-seven million, seven hundred ninety-eight thousand, three hundred forty-eight".