89790329 has 4 divisors (see below), whose sum is σ = 89834484. Its totient is φ = 89746176.

The previous prime is 89790269. The next prime is 89790331. The reversal of 89790329 is 92309798.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7398400 + 82391929 = 2720^2 + 9077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89790329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89790829) 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, 18872 + ... + 23145.

It is an arithmetic number, because the mean of its divisors is an integer number (22458621).

Almost surely, 2^89790329 is an apocalyptic number.

It is an amenable number.

89790329 is a deficient number, since it is larger than the sum of its proper divisors (44155).

89790329 is a wasteful number, since it uses less digits than its factorization.

89790329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44154.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 89790329 is about 9475.7759049062. The cubic root of 89790329 is about 447.7921964218.

The spelling of 89790329 in words is "eighty-nine million, seven hundred ninety thousand, three hundred twenty-nine".