976945 has 4 divisors (see below), whose sum is σ = 1172340. Its totient is φ = 781552.

The previous prime is 976933. The next prime is 976951. The reversal of 976945 is 549679.

976945 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 an emirpimes, since its reverse is a distinct semiprime: 549679 = 13 ⋅42283.

It can be written as a sum of positive squares in 2 ways, for example, as 772641 + 204304 = 879^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 976945 - 2⁷ = 976817 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 976898 and 976907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97690 + ... + 97699.

It is an arithmetic number, because the mean of its divisors is an integer number (293085).

2⁹⁷⁶⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

976945 is a deficient number, since it is larger than the sum of its proper divisors (195395).

976945 is a wasteful number, since it uses less digits than its factorization.

976945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195394.

The product of its digits is 68040, while the sum is 40.

The square root of 976945 is about 988.4052812485. The cubic root of 976945 is about 99.2255172498.

The spelling of 976945 in words is "nine hundred seventy-six thousand, nine hundred forty-five".