287936052 has 24 divisors (see below), whose sum is σ = 678505632. Its totient is φ = 95028000.

The previous prime is 287936003. The next prime is 287936059. The reversal of 287936052 is 250639782.

It is a junction number, because it is equal to n+sod(n) for n = 287935995 and 287936013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287936059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117574 + ... + 119997.

It is an arithmetic number, because the mean of its divisors is an integer number (28271068).

Almost surely, 2^287936052 is an apocalyptic number.

It is an amenable number.

287936052 is an abundant number, since it is smaller than the sum of its proper divisors (390569580).

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

287936052 is a wasteful number, since it uses less digits than its factorization.

287936052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237679 (or 237677 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 287936052 is about 16968.6785578607. The cubic root of 287936052 is about 660.3365684655.

The spelling of 287936052 in words is "two hundred eighty-seven million, nine hundred thirty-six thousand, fifty-two".