876438 has 48 divisors (see below), whose sum is σ = 2077920. Its totient is φ = 266112.

The previous prime is 876433. The next prime is 876443. The reversal of 876438 is 834678.

876438 = 167² + 168² + ... + 193².

876438 is a `hidden beast` number, since 8 + 7 + 643 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (876433) and next prime (876443).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (876431) by changing a digit.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11970 + ... + 12042.

It is an arithmetic number, because the mean of its divisors is an integer number (43290).

2⁸⁷⁶⁴³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 876438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1038960).

876438 is an abundant number, since it is smaller than the sum of its proper divisors (1201482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

876438 is a wasteful number, since it uses less digits than its factorization.

876438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 130 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 876438 is about 936.1826744819. The cubic root of 876438 is about 95.6989265577.

The spelling of 876438 in words is "eight hundred seventy-six thousand, four hundred thirty-eight".