889237389 has 4 divisors (see below), whose sum is σ = 1185649856. Its totient is φ = 592824924.

The previous prime is 889237367. The next prime is 889237399. The reversal of 889237389 is 983732988.

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 not a de Polignac number, because 889237389 - 2⁵ = 889237357 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 (889237319) 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, 148206229 + ... + 148206234.

It is an arithmetic number, because the mean of its divisors is an integer number (296412464).

Almost surely, 2^889237389 is an apocalyptic number.

It is an amenable number.

889237389 is a deficient number, since it is larger than the sum of its proper divisors (296412467).

889237389 is a wasteful number, since it uses less digits than its factorization.

889237389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296412466.

The product of its digits is 5225472, while the sum is 57.

The square root of 889237389 is about 29820.0836517941. The cubic root of 889237389 is about 961.6253531540.

The spelling of 889237389 in words is "eight hundred eighty-nine million, two hundred thirty-seven thousand, three hundred eighty-nine".