988744 has 8 divisors (see below), whose sum is σ = 1853910. Its totient is φ = 494368.

The previous prime is 988733. The next prime is 988759. The reversal of 988744 is 447889.

It can be written as a sum of positive squares in only one way, i.e., 879844 + 108900 = 938^2 + 330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×988744² = 1955229395072, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 988697 and 988706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61789 + ... + 61804.

2⁹⁸⁸⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

988744 is a deficient number, since it is larger than the sum of its proper divisors (865166).

988744 is a wasteful number, since it uses less digits than its factorization.

988744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123599 (or 123595 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 988744 is about 994.3560730443. The cubic root of 988744 is about 99.6233833799.

The spelling of 988744 in words is "nine hundred eighty-eight thousand, seven hundred forty-four".