10090919 has 4 divisors (see below), whose sum is σ = 10622040. Its totient is φ = 9559800.

The previous prime is 10090897. The next prime is 10090933. The reversal of 10090919 is 91909001.

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

It is a cyclic number.

It is not a de Polignac number, because 10090919 - 2¹⁶ = 10025383 is a prime.

It is a super-2 number, since 2×10090919² = 203653292529122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 10090891 and 10090900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10090999) 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, 265532 + ... + 265569.

It is an arithmetic number, because the mean of its divisors is an integer number (2655510).

Almost surely, 2^10090919 is an apocalyptic number.

10090919 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10090919 is a deficient number, since it is larger than the sum of its proper divisors (531121).

10090919 is an equidigital number, since it uses as much as digits as its factorization.

10090919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531120.

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 10090919 is about 3176.6206887194. The cubic root of 10090919 is about 216.0944303047.

It can be divided in two parts, 100 and 90919, that added together give a palindrome (91019).

The spelling of 10090919 in words is "ten million, ninety thousand, nine hundred nineteen".