10321988 has 6 divisors (see below), whose sum is σ = 18063486. Its totient is φ = 5160992.

The previous prime is 10321979. The next prime is 10322003. The reversal of 10321988 is 88912301.

It can be written as a sum of positive squares in only one way, i.e., 9935104 + 386884 = 3152^2 + 622^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290245 + ... + 1290252.

It is an arithmetic number, because the mean of its divisors is an integer number (3010581).

Almost surely, 2^10321988 is an apocalyptic number.

It is an amenable number.

10321988 is a deficient number, since it is larger than the sum of its proper divisors (7741498).

10321988 is a wasteful number, since it uses less digits than its factorization.

10321988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580501 (or 2580499 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 10321988 is about 3212.7850846267. The cubic root of 10321988 is about 217.7314258409.

The spelling of 10321988 in words is "ten million, three hundred twenty-one thousand, nine hundred eighty-eight".