10091929 has 4 divisors (see below), whose sum is σ = 10135476. Its totient is φ = 10048384.

The previous prime is 10091927. The next prime is 10091933. The reversal of 10091929 is 92919001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7011904 + 3080025 = 2648^2 + 1755^2 .

It is a cyclic number.

It is not a de Polignac number, because 10091929 - 2¹ = 10091927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10091929.

It is not an unprimeable number, because it can be changed into a prime (10091923) 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, 21424 + ... + 21889.

It is an arithmetic number, because the mean of its divisors is an integer number (2533869).

Almost surely, 2^10091929 is an apocalyptic number.

It is an amenable number.

10091929 is a deficient number, since it is larger than the sum of its proper divisors (43547).

10091929 is an equidigital number, since it uses as much as digits as its factorization.

10091929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43546.

The product of its (nonzero) digits is 1458, while the sum is 31.

The square root of 10091929 is about 3176.7796587110. The cubic root of 10091929 is about 216.1016396941.

It can be divided in two parts, 100 and 91929, that added together give a palindrome (92029).

The spelling of 10091929 in words is "ten million, ninety-one thousand, nine hundred twenty-nine".