976889 has 4 divisors (see below), whose sum is σ = 990720. Its totient is φ = 963060.

The previous prime is 976883. The next prime is 976909. The reversal of 976889 is 988679.

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, and also an emirpimes, since its reverse is a distinct semiprime: 988679 = 257 ⋅3847.

It is a cyclic number.

It is not a de Polignac number, because 976889 - 2¹² = 972793 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (976883) 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, 6809 + ... + 6950.

It is an arithmetic number, because the mean of its divisors is an integer number (247680).

2⁹⁷⁶⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

976889 is a deficient number, since it is larger than the sum of its proper divisors (13831).

976889 is a wasteful number, since it uses less digits than its factorization.

976889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13830.

The product of its digits is 217728, while the sum is 47.

The square root of 976889 is about 988.3769523820. The cubic root of 976889 is about 99.2236212935.

The spelling of 976889 in words is "nine hundred seventy-six thousand, eight hundred eighty-nine".