788642 has 8 divisors (see below), whose sum is σ = 1188432. Its totient is φ = 392500.

The previous prime is 788621. The next prime is 788651. The reversal of 788642 is 246887.

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

It is an unprimeable number.

788642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284 + ... + 1287.

It is an arithmetic number, because the mean of its divisors is an integer number (148554).

2⁷⁸⁸⁶⁴² is an apocalyptic number.

788642 is a deficient number, since it is larger than the sum of its proper divisors (399790).

788642 is a wasteful number, since it uses less digits than its factorization.

788642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824.

The product of its digits is 21504, while the sum is 35.

The square root of 788642 is about 888.0551784658. The cubic root of 788642 is about 92.3903546212.

The spelling of 788642 in words is "seven hundred eighty-eight thousand, six hundred forty-two".