798687 has 8 divisors (see below), whose sum is σ = 1183280. Its totient is φ = 532440.

The previous prime is 798667. The next prime is 798691. The reversal of 798687 is 786897.

It is a de Polignac number, because none of the positive numbers 2^k-798687 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 (798647) 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, 14764 + ... + 14817.

It is an arithmetic number, because the mean of its divisors is an integer number (147910).

2⁷⁹⁸⁶⁸⁷ is an apocalyptic number.

798687 is a deficient number, since it is larger than the sum of its proper divisors (384593).

798687 is a wasteful number, since it uses less digits than its factorization.

798687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29590 (or 29584 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 798687 is about 893.6929002739. The cubic root of 798687 is about 92.7809621445.

It can be divided in two parts, 798 and 687, that added together give a triangular number (1485 = T₅₄).

The spelling of 798687 in words is "seven hundred ninety-eight thousand, six hundred eighty-seven".