785394420 has 48 divisors (see below), whose sum is σ = 2202204480. Its totient is φ = 209143296.

The previous prime is 785394413. The next prime is 785394427. The reversal of 785394420 is 24493587.

785394420 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (785394413) and next prime (785394427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785394427) 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, 35484 + ... + 53196.

It is an arithmetic number, because the mean of its divisors is an integer number (45879260).

Almost surely, 2^785394420 is an apocalyptic number.

It is an amenable number.

785394420 is an abundant number, since it is smaller than the sum of its proper divisors (1416810060).

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

785394420 is a wasteful number, since it uses less digits than its factorization.

785394420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18464 (or 18462 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 785394420 is about 28024.8892950534. The cubic root of 785394420 is about 922.6336084858.

The spelling of 785394420 in words is "seven hundred eighty-five million, three hundred ninety-four thousand, four hundred twenty".