989795 has 4 divisors (see below), whose sum is σ = 1187760. Its totient is φ = 791832.

The previous prime is 989783. The next prime is 989797. The reversal of 989795 is 597989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 597989 = 7 ⋅85427.

It is a cyclic number.

It is not a de Polignac number, because 989795 - 2¹⁴ = 973411 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989795.

It is not an unprimeable number, because it can be changed into a prime (989797) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 98975 + ... + 98984.

It is an arithmetic number, because the mean of its divisors is an integer number (296940).

2⁹⁸⁹⁷⁹⁵ is an apocalyptic number.

989795 is a deficient number, since it is larger than the sum of its proper divisors (197965).

989795 is a wasteful number, since it uses less digits than its factorization.

989795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197964.

The product of its digits is 204120, while the sum is 47.

The square root of 989795 is about 994.8844153971. The cubic root of 989795 is about 99.6586695944.

The spelling of 989795 in words is "nine hundred eighty-nine thousand, seven hundred ninety-five".