89082405 has 12 divisors (see below), whose sum is σ = 154409580. Its totient is φ = 47510592.

The previous prime is 89082401. The next prime is 89082407. The reversal of 89082405 is 50428098.

It can be written as a sum of positive squares in 2 ways, for example, as 31337604 + 57744801 = 5598^2 + 7599^2 .

It is not a de Polignac number, because 89082405 - 2² = 89082401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89082405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89082401) 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 11 ways as a sum of consecutive naturals, for example, 989760 + ... + 989849.

It is an arithmetic number, because the mean of its divisors is an integer number (12867465).

Almost surely, 2^89082405 is an apocalyptic number.

It is an amenable number.

89082405 is a deficient number, since it is larger than the sum of its proper divisors (65327175).

89082405 is a wasteful number, since it uses less digits than its factorization.

89082405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979620 (or 1979617 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 89082405 is about 9438.3475778337. The cubic root of 89082405 is about 446.6122638006.

The spelling of 89082405 in words is "eighty-nine million, eighty-two thousand, four hundred five".