976564 has 6 divisors (see below), whose sum is σ = 1708994. Its totient is φ = 488280.

The previous prime is 976561. The next prime is 976571. The reversal of 976564 is 465679.

It can be written as a sum of positive squares in only one way, i.e., 824464 + 152100 = 908^2 + 390^2 .

It is a plaindrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122067 + ... + 122074.

2⁹⁷⁶⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

976564 is a deficient number, since it is larger than the sum of its proper divisors (732430).

976564 is a wasteful number, since it uses less digits than its factorization.

976564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244145 (or 244143 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 976564 is about 988.2125277490. The cubic root of 976564 is about 99.2126165448.

It can be divided in two parts, 976 and 564, that added together give a triangular number (1540 = T₅₅).

The spelling of 976564 in words is "nine hundred seventy-six thousand, five hundred sixty-four".