89850825 has 36 divisors (see below), whose sum is σ = 161698108. Its totient is φ = 47692800.

The previous prime is 89850823. The next prime is 89850833. The reversal of 89850825 is 52805898.

It can be written as a sum of positive squares in 6 ways, for example, as 944784 + 88906041 = 972^2 + 9429^2 .

It is not a de Polignac number, because 89850825 - 2¹ = 89850823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89850823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 53397 + ... + 55053.

Almost surely, 2^89850825 is an apocalyptic number.

It is an amenable number.

89850825 is a deficient number, since it is larger than the sum of its proper divisors (71847283).

89850825 is a wasteful number, since it uses less digits than its factorization.

89850825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The square root of 89850825 is about 9478.9675070653. The cubic root of 89850825 is about 447.8927401197.

The spelling of 89850825 in words is "eighty-nine million, eight hundred fifty thousand, eight hundred twenty-five".