10005998 has 8 divisors (see below), whose sum is σ = 15149592. Its totient is φ = 4956136.

The previous prime is 10005997. The next prime is 10006001. The reversal of 10005998 is 89950001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10005997) 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, 23165 + ... + 23592.

It is an arithmetic number, because the mean of its divisors is an integer number (1893699).

Almost surely, 2^10005998 is an apocalyptic number.

10005998 is a deficient number, since it is larger than the sum of its proper divisors (5143594).

10005998 is a wasteful number, since it uses less digits than its factorization.

10005998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46866.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 10005998 is about 3163.2258850737. The cubic root of 10005998 is about 215.4865347250.

Adding to 10005998 its reverse (89950001), we get a palindrome (99955999).

The spelling of 10005998 in words is "ten million, five thousand, nine hundred ninety-eight".