986923 has 4 divisors (see below), whose sum is σ = 1127920. Its totient is φ = 845928.

The previous prime is 986903. The next prime is 986927. The reversal of 986923 is 329689.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329689 = 439 ⋅751.

It is a cyclic number.

It is not a de Polignac number, because 986923 - 2⁹ = 986411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (986927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70488 + ... + 70501.

It is an arithmetic number, because the mean of its divisors is an integer number (281980).

2⁹⁸⁶⁹²³ is an apocalyptic number.

986923 is a deficient number, since it is larger than the sum of its proper divisors (140997).

986923 is a wasteful number, since it uses less digits than its factorization.

986923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140996.

The product of its digits is 23328, while the sum is 37.

The square root of 986923 is about 993.4399830891. The cubic root of 986923 is about 99.5621859862.

It can be divided in two parts, 98 and 6923, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 986923 in words is "nine hundred eighty-six thousand, nine hundred twenty-three".