788491 has 8 divisors (see below), whose sum is σ = 880704. Its totient is φ = 699720.

The previous prime is 788479. The next prime is 788497. The reversal of 788491 is 194887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 788491 - 2⁷ = 788363 is a prime.

788491 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 788491.

It is not an unprimeable number, because it can be changed into a prime (788497) 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, 361 + ... + 1306.

It is an arithmetic number, because the mean of its divisors is an integer number (110088).

2⁷⁸⁸⁴⁹¹ is an apocalyptic number.

788491 is a deficient number, since it is larger than the sum of its proper divisors (92213).

788491 is a wasteful number, since it uses less digits than its factorization.

788491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its digits is 16128, while the sum is 37.

The square root of 788491 is about 887.9701571562. The cubic root of 788491 is about 92.3844576346.

The spelling of 788491 in words is "seven hundred eighty-eight thousand, four hundred ninety-one".