976397 has 4 divisors (see below), whose sum is σ = 983100. Its totient is φ = 969696.

The previous prime is 976369. The next prime is 976403. The reversal of 976397 is 793679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 793679 = 17 ⋅46687.

It can be written as a sum of positive squares in 2 ways, for example, as 212521 + 763876 = 461^2 + 874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-976397 is a prime.

It is a super-2 number, since 2×976397² = 1906702203218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128 + ... + 3425.

It is an arithmetic number, because the mean of its divisors is an integer number (245775).

2⁹⁷⁶³⁹⁷ is an apocalyptic number.

It is an amenable number.

976397 is a deficient number, since it is larger than the sum of its proper divisors (6703).

976397 is a wasteful number, since it uses less digits than its factorization.

976397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6702.

The product of its digits is 71442, while the sum is 41.

The square root of 976397 is about 988.1280281421. The cubic root of 976397 is about 99.2069608474.

The spelling of 976397 in words is "nine hundred seventy-six thousand, three hundred ninety-seven".