988738 has 4 divisors (see below), whose sum is σ = 1483110. Its totient is φ = 494368.

The previous prime is 988733. The next prime is 988759. The reversal of 988738 is 837889.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 837889 = 13 ⋅64453.

It can be written as a sum of positive squares in only one way, i.e., 693889 + 294849 = 833^2 + 543^2 .

It is a junction number, because it is equal to n+sod(n) for n = 988694 and 988703.

It is not an unprimeable number, because it can be changed into a prime (988733) by changing a digit.

988738 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247183 + ... + 247186.

2⁹⁸⁸⁷³⁸ is an apocalyptic number.

988738 is a deficient number, since it is larger than the sum of its proper divisors (494372).

988738 is a wasteful number, since it uses less digits than its factorization.

988738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494371.

The product of its digits is 96768, while the sum is 43.

The square root of 988738 is about 994.3530560118. The cubic root of 988738 is about 99.6231818644.

It can be divided in two parts, 98 and 8738, that added together give a square (8836 = 94²).

The spelling of 988738 in words is "nine hundred eighty-eight thousand, seven hundred thirty-eight".