89540090 has 16 divisors (see below), whose sum is σ = 166371840. Its totient is φ = 34660560.

The previous prime is 89540057. The next prime is 89540093. The reversal of 89540090 is 9004598.

It is a self number, because there is not a number n which added to its sum of digits gives 89540090.

It is not an unprimeable number, because it can be changed into a prime (89540093) 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, 144110 + ... + 144729.

It is an arithmetic number, because the mean of its divisors is an integer number (10398240).

Almost surely, 2^89540090 is an apocalyptic number.

89540090 is a deficient number, since it is larger than the sum of its proper divisors (76831750).

89540090 is a wasteful number, since it uses less digits than its factorization.

89540090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288877.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 89540090 is about 9462.5625493309. The cubic root of 89540090 is about 447.3758214790.

The spelling of 89540090 in words is "eighty-nine million, five hundred forty thousand, ninety".