787698 has 32 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 253008.

The previous prime is 787697. The next prime is 787711. The reversal of 787698 is 896787.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (787697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1315 + ... + 1817.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2⁷⁸⁷⁶⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 787698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907200).

787698 is an abundant number, since it is smaller than the sum of its proper divisors (1026702).

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

787698 is a wasteful number, since it uses less digits than its factorization.

787698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 537 counting only the distinct ones).

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

The square root of 787698 is about 887.5235208151. The cubic root of 787698 is about 92.3534763261.

It can be divided in two parts, 787 and 698, that added together give a triangular number (1485 = T₅₄).

The spelling of 787698 in words is "seven hundred eighty-seven thousand, six hundred ninety-eight".