889472069 has 4 divisors (see below), whose sum is σ = 890475744. Its totient is φ = 888468396.

The previous prime is 889472063. The next prime is 889472083. The reversal of 889472069 is 960274988.

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 a de Polignac number, because none of the positive numbers 2^k-889472069 is a prime.

It is a super-2 number, since 2×889472069² = 1582321123062281522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 889472069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889472063) 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, 500507 + ... + 502280.

It is an arithmetic number, because the mean of its divisors is an integer number (222618936).

Almost surely, 2^889472069 is an apocalyptic number.

It is an amenable number.

889472069 is a deficient number, since it is larger than the sum of its proper divisors (1003675).

889472069 is a wasteful number, since it uses less digits than its factorization.

889472069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003674.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 889472069 is about 29824.0183241628. The cubic root of 889472069 is about 961.7099403861.

The spelling of 889472069 in words is "eight hundred eighty-nine million, four hundred seventy-two thousand, sixty-nine".