989701 has 4 divisors (see below), whose sum is σ = 991692. Its totient is φ = 987712.

The previous prime is 989687. The next prime is 989719. The reversal of 989701 is 107989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 107989 = 7 ⋅15427.

It can be written as a sum of positive squares in 2 ways, for example, as 390625 + 599076 = 625^2 + 774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989701 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989761) 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, 471 + ... + 1483.

It is an arithmetic number, because the mean of its divisors is an integer number (247923).

2⁹⁸⁹⁷⁰¹ is an apocalyptic number.

It is an amenable number.

989701 is a deficient number, since it is larger than the sum of its proper divisors (1991).

989701 is a wasteful number, since it uses less digits than its factorization.

989701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 989701 is about 994.8371726067. The cubic root of 989701 is about 99.6555146612.

The spelling of 989701 in words is "nine hundred eighty-nine thousand, seven hundred one".