89380289 has 4 divisors (see below), whose sum is σ = 89400624. Its totient is φ = 89359956.

The previous prime is 89380283. The next prime is 89380309. The reversal of 89380289 is 98208398.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89380289 - 2²⁰ = 88331713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89380283) 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, 527 + ... + 13380.

It is an arithmetic number, because the mean of its divisors is an integer number (22350156).

Almost surely, 2^89380289 is an apocalyptic number.

It is an amenable number.

89380289 is a deficient number, since it is larger than the sum of its proper divisors (20335).

89380289 is a wasteful number, since it uses less digits than its factorization.

89380289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20334.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 89380289 is about 9454.1149242010. The cubic root of 89380289 is about 447.1095211153.

The spelling of 89380289 in words is "eighty-nine million, three hundred eighty thousand, two hundred eighty-nine".