287793042 has 32 divisors (see below), whose sum is σ = 597991680. Its totient is φ = 92225280.

The previous prime is 287793041. The next prime is 287793047. The reversal of 287793042 is 240397782.

It is a super-2 number, since 2×287793042² = 165649670047227528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 287792985 and 287793003.

It is not an unprimeable number, because it can be changed into a prime (287793041) 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, 38503 + ... + 45365.

It is an arithmetic number, because the mean of its divisors is an integer number (18687240).

Almost surely, 2^287793042 is an apocalyptic number.

287793042 is an abundant number, since it is smaller than the sum of its proper divisors (310198638).

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

287793042 is a wasteful number, since it uses less digits than its factorization.

287793042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7138.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 287793042 is about 16964.4640940998. The cubic root of 287793042 is about 660.2272266277.

The spelling of 287793042 in words is "two hundred eighty-seven million, seven hundred ninety-three thousand, forty-two".