10287988 has 12 divisors (see below), whose sum is σ = 18077472. Its totient is φ = 5123000.

The previous prime is 10287983. The next prime is 10288027. The reversal of 10287988 is 88978201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10287983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4120 + ... + 6127.

It is an arithmetic number, because the mean of its divisors is an integer number (1506456).

Almost surely, 2^10287988 is an apocalyptic number.

It is an amenable number.

10287988 is a deficient number, since it is larger than the sum of its proper divisors (7789484).

10287988 is a wasteful number, since it uses less digits than its factorization.

10287988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10502 (or 10500 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 10287988 is about 3207.4893608553. The cubic root of 10287988 is about 217.4920981848.

The spelling of 10287988 in words is "ten million, two hundred eighty-seven thousand, nine hundred eighty-eight".