785497646 has 8 divisors (see below), whose sum is σ = 1184756664. Its totient is φ = 390578760.

The previous prime is 785497619. The next prime is 785497651. The reversal of 785497646 is 646794587.

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

It is a junction number, because it is equal to n+sod(n) for n = 785497591 and 785497600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084580 + ... + 1085303.

It is an arithmetic number, because the mean of its divisors is an integer number (148094583).

Almost surely, 2^785497646 is an apocalyptic number.

785497646 is a deficient number, since it is larger than the sum of its proper divisors (399259018).

785497646 is a wasteful number, since it uses less digits than its factorization.

785497646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170066.

The product of its digits is 10160640, while the sum is 56.

The square root of 785497646 is about 28026.7309188924. The cubic root of 785497646 is about 922.6740279244.

The spelling of 785497646 in words is "seven hundred eighty-five million, four hundred ninety-seven thousand, six hundred forty-six".