973138 has 4 divisors (see below), whose sum is σ = 1459710. Its totient is φ = 486568.

The previous prime is 973129. The next prime is 973151. The reversal of 973138 is 831379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831379 = 337 ⋅2467.

It can be written as a sum of positive squares in only one way, i.e., 644809 + 328329 = 803^2 + 573^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

973138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 243283 + ... + 243286.

2⁹⁷³¹³⁸ is an apocalyptic number.

973138 is a deficient number, since it is larger than the sum of its proper divisors (486572).

973138 is a wasteful number, since it uses less digits than its factorization.

973138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486571.

The product of its digits is 4536, while the sum is 31.

The square root of 973138 is about 986.4775719701. The cubic root of 973138 is about 99.0964607562.

It can be divided in two parts, 973 and 138, that added together give a palindrome (1111).

The spelling of 973138 in words is "nine hundred seventy-three thousand, one hundred thirty-eight".