10287642 has 24 divisors (see below), whose sum is σ = 21123648. Its totient is φ = 3338680.

The previous prime is 10287611. The next prime is 10287643. The reversal of 10287642 is 24678201.

It is not an unprimeable number, because it can be changed into a prime (10287643) 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 11 ways as a sum of consecutive naturals, for example, 53767 + ... + 53957.

It is an arithmetic number, because the mean of its divisors is an integer number (880152).

Almost surely, 2^10287642 is an apocalyptic number.

10287642 is an abundant number, since it is smaller than the sum of its proper divisors (10836006).

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

10287642 is an equidigital number, since it uses as much as digits as its factorization.

10287642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 10287642 is about 3207.4354241356. The cubic root of 10287642 is about 217.4896599656.

The spelling of 10287642 in words is "ten million, two hundred eighty-seven thousand, six hundred forty-two".