785428412 has 24 divisors (see below), whose sum is σ = 1420185312. Its totient is φ = 379870400.

The previous prime is 785428379. The next prime is 785428429. The reversal of 785428412 is 214824587.

It is a self number, because there is not a number n which added to its sum of digits gives 785428412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11039 + ... + 41142.

It is an arithmetic number, because the mean of its divisors is an integer number (59174388).

Almost surely, 2^785428412 is an apocalyptic number.

It is an amenable number.

785428412 is a deficient number, since it is larger than the sum of its proper divisors (634756900).

785428412 is a wasteful number, since it uses less digits than its factorization.

785428412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52309 (or 52307 counting only the distinct ones).

The product of its digits is 143360, while the sum is 41.

The square root of 785428412 is about 28025.4957494065. The cubic root of 785428412 is about 922.6469188720.

The spelling of 785428412 in words is "seven hundred eighty-five million, four hundred twenty-eight thousand, four hundred twelve".