787906 has 16 divisors (see below), whose sum is σ = 1362816. Its totient is φ = 334656.

The previous prime is 787903. The next prime is 787907. The reversal of 787906 is 609787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2170 + ... + 2506.

It is an arithmetic number, because the mean of its divisors is an integer number (85176).

2⁷⁸⁷⁹⁰⁶ is an apocalyptic number.

787906 is a deficient number, since it is larger than the sum of its proper divisors (574910).

787906 is a wasteful number, since it uses less digits than its factorization.

787906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 787906 is about 887.6406930735. The cubic root of 787906 is about 92.3616045819.

The spelling of 787906 in words is "seven hundred eighty-seven thousand, nine hundred six".