887629 has 2 divisors, whose sum is σ = 887630. Its totient is φ = 887628.

The previous prime is 887617. The next prime is 887633. The reversal of 887629 is 926788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 806404 + 81225 = 898^2 + 285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-887629 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 887591 and 887600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (887659) 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 as a sum of consecutive naturals, namely, 443814 + 443815.

It is an arithmetic number, because the mean of its divisors is an integer number (443815).

2⁸⁸⁷⁶²⁹ is an apocalyptic number.

It is an amenable number.

887629 is a deficient number, since it is larger than the sum of its proper divisors (1).

887629 is an equidigital number, since it uses as much as digits as its factorization.

887629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 887629 is about 942.1406476742. The cubic root of 887629 is about 96.1045230194.

The spelling of 887629 in words is "eight hundred eighty-seven thousand, six hundred twenty-nine".