976431 has 4 divisors (see below), whose sum is σ = 1301912. Its totient is φ = 650952.

The previous prime is 976411. The next prime is 976439. The reversal of 976431 is 134679.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134679 = 3 ⋅44893.

It is not a de Polignac number, because 976431 - 2⁷ = 976303 is a prime.

It is a super-2 number, since 2×976431² = 1906834995522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162736 + ... + 162741.

It is an arithmetic number, because the mean of its divisors is an integer number (325478).

2⁹⁷⁶⁴³¹ is an apocalyptic number.

976431 is a deficient number, since it is larger than the sum of its proper divisors (325481).

976431 is a wasteful number, since it uses less digits than its factorization.

976431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325480.

The product of its digits is 4536, while the sum is 30.

The square root of 976431 is about 988.1452322407. The cubic root of 976431 is about 99.2081123590.

The spelling of 976431 in words is "nine hundred seventy-six thousand, four hundred thirty-one".