10890305 has 8 divisors (see below), whose sum is σ = 13152552. Its totient is φ = 8656128.

The previous prime is 10890301. The next prime is 10890317. The reversal of 10890305 is 50309801.

It can be written as a sum of positive squares in 4 ways, for example, as 418609 + 10471696 = 647^2 + 3236^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10890305 - 2² = 10890301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10890301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6152 + ... + 7721.

It is an arithmetic number, because the mean of its divisors is an integer number (1644069).

Almost surely, 2^10890305 is an apocalyptic number.

It is an amenable number.

10890305 is a deficient number, since it is larger than the sum of its proper divisors (2262247).

10890305 is a wasteful number, since it uses less digits than its factorization.

10890305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14035.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 10890305 is about 3300.0462117976. The cubic root of 10890305 is about 221.6562667466.

The spelling of 10890305 in words is "ten million, eight hundred ninety thousand, three hundred five".