10021798 has 8 divisors (see below), whose sum is σ = 15058008. Its totient is φ = 5002464.

The previous prime is 10021777. The next prime is 10021819. The reversal of 10021798 is 89712001.

It is an interprime number because it is at equal distance from previous prime (10021777) and next prime (10021819).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2611 + ... + 5182.

It is an arithmetic number, because the mean of its divisors is an integer number (1882251).

Almost surely, 2^10021798 is an apocalyptic number.

10021798 is a deficient number, since it is larger than the sum of its proper divisors (5036210).

10021798 is an equidigital number, since it uses as much as digits as its factorization.

10021798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8438.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 10021798 is about 3165.7223504281. The cubic root of 10021798 is about 215.5998966225.

Adding to 10021798 its reverse (89712001), we get a palindrome (99733799).

The spelling of 10021798 in words is "ten million, twenty-one thousand, seven hundred ninety-eight".