976628 has 6 divisors (see below), whose sum is σ = 1709106. Its totient is φ = 488312.

The previous prime is 976621. The next prime is 976637. The reversal of 976628 is 826679.

It can be written as a sum of positive squares in only one way, i.e., 976144 + 484 = 988^2 + 22^2 .

It is an Ulam number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 976591 and 976600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976621) by changing a digit.

976628 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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122075 + ... + 122082.

It is an arithmetic number, because the mean of its divisors is an integer number (284851).

2⁹⁷⁶⁶²⁸ is an apocalyptic number.

It is an amenable number.

976628 is a deficient number, since it is larger than the sum of its proper divisors (732478).

976628 is a wasteful number, since it uses less digits than its factorization.

976628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244161 (or 244159 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 976628 is about 988.2449089168. The cubic root of 976628 is about 99.2147838268.

The spelling of 976628 in words is "nine hundred seventy-six thousand, six hundred twenty-eight".