287428596 has 48 divisors (see below), whose sum is σ = 825439104. Its totient is φ = 75805056.

The previous prime is 287428577. The next prime is 287428597. The reversal of 287428596 is 695824782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287428597) 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, 130515 + ... + 132698.

It is an arithmetic number, because the mean of its divisors is an integer number (17196648).

Almost surely, 2^287428596 is an apocalyptic number.

287428596 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

287428596 is an abundant number, since it is smaller than the sum of its proper divisors (538010508).

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

287428596 is a wasteful number, since it uses less digits than its factorization.

287428596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263240 (or 263238 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 287428596 is about 16953.7192379725. The cubic root of 287428596 is about 659.9484165378.

The spelling of 287428596 in words is "two hundred eighty-seven million, four hundred twenty-eight thousand, five hundred ninety-six".