889390207 has 8 divisors (see below), whose sum is σ = 944381376. Its totient is φ = 834696192.

The previous prime is 889390193. The next prime is 889390211. The reversal of 889390207 is 702093988.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-889390207 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 (889390237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68103 + ... + 80104.

It is an arithmetic number, because the mean of its divisors is an integer number (118047672).

Almost surely, 2^889390207 is an apocalyptic number.

889390207 is a deficient number, since it is larger than the sum of its proper divisors (54991169).

889390207 is a wasteful number, since it uses less digits than its factorization.

889390207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148577.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 889390207 is about 29822.6458752405. The cubic root of 889390207 is about 961.6804360253.

The spelling of 889390207 in words is "eight hundred eighty-nine million, three hundred ninety thousand, two hundred seven".