10197842 has 8 divisors (see below), whose sum is σ = 15311100. Its totient is φ = 5094144.

The previous prime is 10197833. The next prime is 10197857. The reversal of 10197842 is 24879101.

It can be written as a sum of positive squares in 2 ways, for example, as 7890481 + 2307361 = 2809^2 + 1519^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 10197799 and 10197808.

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, 1634 + ... + 4802.

Almost surely, 2^10197842 is an apocalyptic number.

10197842 is a deficient number, since it is larger than the sum of its proper divisors (5113258).

10197842 is a wasteful number, since it uses less digits than its factorization.

10197842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 10197842 is about 3193.4060186578. The cubic root of 10197842 is about 216.8549931299.

The spelling of 10197842 in words is "ten million, one hundred ninety-seven thousand, eight hundred forty-two".