10501998 has 24 divisors (see below), whose sum is σ = 22746168. Its totient is φ = 3231072.

The previous prime is 10501993. The next prime is 10502047. The reversal of 10501998 is 89910501.

It is a super-2 number, since 2×10501998² = 220583923984008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10501991) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4165 + ... + 6192.

It is an arithmetic number, because the mean of its divisors is an integer number (947757).

Almost surely, 2^10501998 is an apocalyptic number.

10501998 is an abundant number, since it is smaller than the sum of its proper divisors (12244170).

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

10501998 is a wasteful number, since it uses less digits than its factorization.

10501998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10388 (or 10375 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 10501998 is about 3240.6786326324. The cubic root of 10501998 is about 218.9898454456.

The spelling of 10501998 in words is "ten million, five hundred one thousand, nine hundred ninety-eight".