90875849 has 8 divisors (see below), whose sum is σ = 94687488. Its totient is φ = 87119280.

The previous prime is 90875819. The next prime is 90875881. The reversal of 90875849 is 94857809.

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 90875849 - 2⁸ = 90875593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90875797 and 90875806.

It is not an unprimeable number, because it can be changed into a prime (90875819) 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, 10382 + ... + 17015.

It is an arithmetic number, because the mean of its divisors is an integer number (11835936).

Almost surely, 2^90875849 is an apocalyptic number.

It is an amenable number.

90875849 is a deficient number, since it is larger than the sum of its proper divisors (3811639).

90875849 is a wasteful number, since it uses less digits than its factorization.

90875849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27535.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 90875849 is about 9532.8825126506. The cubic root of 90875849 is about 449.5895005448.

The spelling of 90875849 in words is "ninety million, eight hundred seventy-five thousand, eight hundred forty-nine".