787490 has 16 divisors (see below), whose sum is σ = 1546560. Its totient is φ = 286320.

The previous prime is 787489. The next prime is 787513. The reversal of 787490 is 94787.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 787490.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3470 + ... + 3689.

It is an arithmetic number, because the mean of its divisors is an integer number (96660).

2⁷⁸⁷⁴⁹⁰ is an apocalyptic number.

787490 is a deficient number, since it is larger than the sum of its proper divisors (759070).

787490 is a wasteful number, since it uses less digits than its factorization.

787490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 787490 is about 887.4063330854. The cubic root of 787490 is about 92.3453466393.

The spelling of 787490 in words is "seven hundred eighty-seven thousand, four hundred ninety".