287946042 has 16 divisors (see below), whose sum is σ = 594469632. Its totient is φ = 92885760.

The previous prime is 287946041. The next prime is 287946049. The reversal of 287946042 is 240649782.

It is a junction number, because it is equal to n+sod(n) for n = 287945985 and 287946003.

It is not an unprimeable number, because it can be changed into a prime (287946041) 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, 773863 + ... + 774234.

It is an arithmetic number, because the mean of its divisors is an integer number (37154352).

Almost surely, 2^287946042 is an apocalyptic number.

287946042 is an abundant number, since it is smaller than the sum of its proper divisors (306523590).

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

287946042 is a wasteful number, since it uses less digits than its factorization.

287946042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548133.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 287946042 is about 16968.9729211877. The cubic root of 287946042 is about 660.3442052145.

The spelling of 287946042 in words is "two hundred eighty-seven million, nine hundred forty-six thousand, forty-two".