90241789 has 8 divisors (see below), whose sum is σ = 98514720. Its totient is φ = 81980400.

The previous prime is 90241787. The next prime is 90241793. The reversal of 90241789 is 98714209.

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 90241789 - 2¹ = 90241787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90241787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26779 + ... + 29959.

It is an arithmetic number, because the mean of its divisors is an integer number (12314340).

Almost surely, 2^90241789 is an apocalyptic number.

It is an amenable number.

90241789 is a deficient number, since it is larger than the sum of its proper divisors (8272931).

90241789 is a wasteful number, since it uses less digits than its factorization.

90241789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 90241789 is about 9499.5678322753. The cubic root of 90241789 is about 448.5414322405.

The spelling of 90241789 in words is "ninety million, two hundred forty-one thousand, seven hundred eighty-nine".