88939289 has 4 divisors (see below), whose sum is σ = 89579280. Its totient is φ = 88299300.

The previous prime is 88939273. The next prime is 88939303. The reversal of 88939289 is 98293988.

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 88939289 - 2⁴ = 88939273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88939789) 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 3 ways as a sum of consecutive naturals, for example, 319787 + ... + 320064.

It is an arithmetic number, because the mean of its divisors is an integer number (22394820).

Almost surely, 2^88939289 is an apocalyptic number.

It is an amenable number.

88939289 is a deficient number, since it is larger than the sum of its proper divisors (639991).

88939289 is a wasteful number, since it uses less digits than its factorization.

88939289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639990.

The product of its digits is 2239488, while the sum is 56.

The square root of 88939289 is about 9430.7629065734. The cubic root of 88939289 is about 446.3729661889.

The spelling of 88939289 in words is "eighty-eight million, nine hundred thirty-nine thousand, two hundred eighty-nine".