876945 has 32 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 414720.

The previous prime is 876929. The next prime is 876947. The reversal of 876945 is 549678.

It is not a de Polignac number, because 876945 - 2⁴ = 876929 is a prime.

It is an alternating number because its digits alternate between even and odd.

876945 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 876945.

It is not an unprimeable number, because it can be changed into a prime (876947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4755 + ... + 4935.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2⁸⁷⁶⁹⁴⁵ is an apocalyptic number.

876945 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

876945 is a deficient number, since it is larger than the sum of its proper divisors (695535).

876945 is a wasteful number, since it uses less digits than its factorization.

876945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225.

The product of its digits is 60480, while the sum is 39.

The square root of 876945 is about 936.4534158195. The cubic root of 876945 is about 95.7173762381.

The spelling of 876945 in words is "eight hundred seventy-six thousand, nine hundred forty-five".