89350909 has 4 divisors (see below), whose sum is σ = 90815740. Its totient is φ = 87886080.

The previous prime is 89350903. The next prime is 89350949. The reversal of 89350909 is 90905398.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90905398 = 2 ⋅45452699.

It can be written as a sum of positive squares in 2 ways, for example, as 4305625 + 85045284 = 2075^2 + 9222^2 .

It is a cyclic number.

It is not a de Polignac number, because 89350909 - 2¹³ = 89342717 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 (89350903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732324 + ... + 732445.

It is an arithmetic number, because the mean of its divisors is an integer number (22703935).

Almost surely, 2^89350909 is an apocalyptic number.

It is an amenable number.

89350909 is a deficient number, since it is larger than the sum of its proper divisors (1464831).

89350909 is a wasteful number, since it uses less digits than its factorization.

89350909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464830.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 89350909 is about 9452.5609757356. The cubic root of 89350909 is about 447.0605262811.

The spelling of 89350909 in words is "eighty-nine million, three hundred fifty thousand, nine hundred nine".