787398 has 16 divisors (see below), whose sum is σ = 1657920. Its totient is φ = 248616.

The previous prime is 787361. The next prime is 787427. The reversal of 787398 is 893787.

It is a super-2 number, since 2×787398² = 1239991220808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3340 + ... + 3567.

It is an arithmetic number, because the mean of its divisors is an integer number (103620).

2⁷⁸⁷³⁹⁸ is an apocalyptic number.

787398 is an abundant number, since it is smaller than the sum of its proper divisors (870522).

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

787398 is a wasteful number, since it uses less digits than its factorization.

787398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6931.

The product of its digits is 84672, while the sum is 42.

The square root of 787398 is about 887.3544951146. The cubic root of 787398 is about 92.3417503597.

The spelling of 787398 in words is "seven hundred eighty-seven thousand, three hundred ninety-eight".