976881 has 4 divisors (see below), whose sum is σ = 1302512. Its totient is φ = 651252.

The previous prime is 976853. The next prime is 976883. The reversal of 976881 is 188679.

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 not a de Polignac number, because 976881 - 2⁵ = 976849 is a prime.

It is a super-2 number, since 2×976881² = 1908592976322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

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, 162811 + ... + 162816.

It is an arithmetic number, because the mean of its divisors is an integer number (325628).

2⁹⁷⁶⁸⁸¹ is an apocalyptic number.

It is an amenable number.

976881 is a deficient number, since it is larger than the sum of its proper divisors (325631).

976881 is a wasteful number, since it uses less digits than its factorization.

976881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325630.

The product of its digits is 24192, while the sum is 39.

The square root of 976881 is about 988.3729053348. The cubic root of 976881 is about 99.2233504367.

The spelling of 976881 in words is "nine hundred seventy-six thousand, eight hundred eighty-one".