876491 has 8 divisors (see below), whose sum is σ = 1092864. Its totient is φ = 682920.

The previous prime is 876481. The next prime is 876497. The reversal of 876491 is 194678.

876491 = 189² + 190² + ... + 210².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 876491 - 2¹⁴ = 860107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (876497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5615 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (136608).

2⁸⁷⁶⁴⁹¹ is an apocalyptic number.

876491 is a deficient number, since it is larger than the sum of its proper divisors (216373).

876491 is a wasteful number, since it uses less digits than its factorization.

876491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401.

The product of its digits is 12096, while the sum is 35.

The square root of 876491 is about 936.2109804953. The cubic root of 876491 is about 95.7008555555.

The spelling of 876491 in words is "eight hundred seventy-six thousand, four hundred ninety-one".