889078 has 4 divisors (see below), whose sum is σ = 1333620. Its totient is φ = 444538.

The previous prime is 889069. The next prime is 889081. The reversal of 889078 is 870988.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 889078.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222268 + ... + 222271.

It is an arithmetic number, because the mean of its divisors is an integer number (333405).

2⁸⁸⁹⁰⁷⁸ is an apocalyptic number.

889078 is a deficient number, since it is larger than the sum of its proper divisors (444542).

889078 is a wasteful number, since it uses less digits than its factorization.

889078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444541.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 889078 is about 942.9093275602. The cubic root of 889078 is about 96.1567895058.

The spelling of 889078 in words is "eight hundred eighty-nine thousand, seventy-eight".