287060397 has 16 divisors (see below), whose sum is σ = 417160128. Its totient is φ = 174522240.

The previous prime is 287060387. The next prime is 287060399. The reversal of 287060397 is 793060782.

It is not a de Polignac number, because 287060397 - 2⁷ = 287060269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287060399) 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 15 ways as a sum of consecutive naturals, for example, 41104 + ... + 47577.

It is an arithmetic number, because the mean of its divisors is an integer number (26072508).

Almost surely, 2^287060397 is an apocalyptic number.

It is an amenable number.

287060397 is a deficient number, since it is larger than the sum of its proper divisors (130099731).

287060397 is a wasteful number, since it uses less digits than its factorization.

287060397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88780.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 287060397 is about 16942.8568134185. The cubic root of 287060397 is about 659.6664958766. Note that the first 3 decimals are identical.

The spelling of 287060397 in words is "two hundred eighty-seven million, sixty thousand, three hundred ninety-seven".