872938 has 8 divisors (see below), whose sum is σ = 1428480. Its totient is φ = 396780.

The previous prime is 872923. The next prime is 872947. The reversal of 872938 is 839278.

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

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 872897 and 872906.

It is an unprimeable number.

872938 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 in 3 ways as a sum of consecutive naturals, for example, 19818 + ... + 19861.

It is an arithmetic number, because the mean of its divisors is an integer number (178560).

2⁸⁷²⁹³⁸ is an apocalyptic number.

872938 is a deficient number, since it is larger than the sum of its proper divisors (555542).

872938 is a wasteful number, since it uses less digits than its factorization.

872938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39692.

The product of its digits is 24192, while the sum is 37.

The square root of 872938 is about 934.3115112210. The cubic root of 872938 is about 95.5713673932.

Adding to 872938 its product of digits (24192), we get a triangular number (897130 = T₁₃₃₉).

It can be divided in two parts, 87 and 2938, that added together give a square (3025 = 55²).

The spelling of 872938 in words is "eight hundred seventy-two thousand, nine hundred thirty-eight".