976389 has 4 divisors (see below), whose sum is σ = 1301856. Its totient is φ = 650924.

The previous prime is 976369. The next prime is 976403. The reversal of 976389 is 983679.

It is a happy number.

976389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 976389 - 2¹³ = 968197 is a prime.

It is a D-number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 976389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976309) 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, 162729 + ... + 162734.

It is an arithmetic number, because the mean of its divisors is an integer number (325464).

2⁹⁷⁶³⁸⁹ is an apocalyptic number.

It is an amenable number.

976389 is a deficient number, since it is larger than the sum of its proper divisors (325467).

976389 is a wasteful number, since it uses less digits than its factorization.

976389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325466.

The product of its digits is 81648, while the sum is 42.

The square root of 976389 is about 988.1239800754. The cubic root of 976389 is about 99.2066898996.

The spelling of 976389 in words is "nine hundred seventy-six thousand, three hundred eighty-nine".