90009941 has 8 divisors (see below), whose sum is σ = 102926400. Its totient is φ = 77107968.

The previous prime is 90009929. The next prime is 90009943. The reversal of 90009941 is 14990009.

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

It is not a de Polignac number, because 90009941 - 2¹⁸ = 89747797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90009898 and 90009907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90009943) 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, 19910 + ... + 24008.

It is an arithmetic number, because the mean of its divisors is an integer number (12865800).

Almost surely, 2^90009941 is an apocalyptic number.

It is an amenable number.

90009941 is a deficient number, since it is larger than the sum of its proper divisors (12916459).

90009941 is a wasteful number, since it uses less digits than its factorization.

90009941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7243.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 90009941 is about 9487.3569027417. The cubic root of 90009941 is about 448.1569739166.

The spelling of 90009941 in words is "ninety million, nine thousand, nine hundred forty-one".