788490 has 24 divisors (see below), whose sum is σ = 2050308. Its totient is φ = 210240.

The previous prime is 788479. The next prime is 788497. The reversal of 788490 is 94887.

It can be written as a sum of positive squares in 2 ways, for example, as 710649 + 77841 = 843^2 + 279^2 .

It is not an unprimeable number, because it can be changed into a prime (788497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4291 + ... + 4470.

2⁷⁸⁸⁴⁹⁰ is an apocalyptic number.

788490 is an abundant number, since it is smaller than the sum of its proper divisors (1261818).

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

788490 is a wasteful number, since it uses less digits than its factorization.

788490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8774 (or 8771 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 788490 is about 887.9695940740. The cubic root of 788490 is about 92.3844185792.

The spelling of 788490 in words is "seven hundred eighty-eight thousand, four hundred ninety".