10171998 has 12 divisors (see below), whose sum is σ = 22039368. Its totient is φ = 3390660.

The previous prime is 10171991. The next prime is 10172017. The reversal of 10171998 is 89917101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10171991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282538 + ... + 282573.

It is an arithmetic number, because the mean of its divisors is an integer number (1836614).

Almost surely, 2^10171998 is an apocalyptic number.

10171998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10171998 is an abundant number, since it is smaller than the sum of its proper divisors (11867370).

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

10171998 is a wasteful number, since it uses less digits than its factorization.

10171998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565119 (or 565116 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 10171998 is about 3189.3569884853. The cubic root of 10171998 is about 216.6716490636.

The spelling of 10171998 in words is "ten million, one hundred seventy-one thousand, nine hundred ninety-eight".