889155 has 12 divisors (see below), whose sum is σ = 1541280. Its totient is φ = 474192.

The previous prime is 889139. The next prime is 889171. The reversal of 889155 is 551988.

It is an interprime number because it is at equal distance from previous prime (889139) and next prime (889171).

It is not a de Polignac number, because 889155 - 2⁴ = 889139 is a prime.

It is a super-2 number, since 2×889155² = 1581193228050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9835 + ... + 9924.

It is an arithmetic number, because the mean of its divisors is an integer number (128440).

2⁸⁸⁹¹⁵⁵ is an apocalyptic number.

889155 is a deficient number, since it is larger than the sum of its proper divisors (652125).

889155 is a wasteful number, since it uses less digits than its factorization.

889155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19770 (or 19767 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 889155 is about 942.9501577496. The cubic root of 889155 is about 96.1595653624.

The spelling of 889155 in words is "eight hundred eighty-nine thousand, one hundred fifty-five".