988945 has 8 divisors (see below), whose sum is σ = 1201536. Its totient is φ = 781296.

The previous prime is 988937. The next prime is 988951. The reversal of 988945 is 549889.

988945 = T₁₁₁ + T₁₁₂ + ... + T₁₉₃.

It is a happy number.

988945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 988945 - 2³ = 988937 is a prime.

It is a Duffinian number.

988945 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777 + ... + 1606.

It is an arithmetic number, because the mean of its divisors is an integer number (150192).

2⁹⁸⁸⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

988945 is a deficient number, since it is larger than the sum of its proper divisors (212591).

988945 is a wasteful number, since it uses less digits than its factorization.

988945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471.

The product of its digits is 103680, while the sum is 43.

The square root of 988945 is about 994.4571383423. The cubic root of 988945 is about 99.6301336756.

The spelling of 988945 in words is "nine hundred eighty-eight thousand, nine hundred forty-five".