788428146 has 32 divisors (see below), whose sum is σ = 1775702016. Its totient is φ = 231210000.

The previous prime is 788428141. The next prime is 788428183. The reversal of 788428146 is 641824887.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 788428095 and 788428104.

It is not an unprimeable number, because it can be changed into a prime (788428141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190630 + ... + 194721.

It is an arithmetic number, because the mean of its divisors is an integer number (55490688).

Almost surely, 2^788428146 is an apocalyptic number.

788428146 is an abundant number, since it is smaller than the sum of its proper divisors (987273870).

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

788428146 is a wasteful number, since it uses less digits than its factorization.

788428146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385398.

The product of its digits is 688128, while the sum is 48.

The square root of 788428146 is about 28078.9626945156. The cubic root of 788428146 is about 923.8200278218.

The spelling of 788428146 in words is "seven hundred eighty-eight million, four hundred twenty-eight thousand, one hundred forty-six".