385970782 has 4 divisors (see below), whose sum is σ = 578956176. Its totient is φ = 192985390.

The previous prime is 385970759. The next prime is 385970803. The reversal of 385970782 is 287079583.

385970782 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96492694 + ... + 96492697.

It is an arithmetic number, because the mean of its divisors is an integer number (144739044).

Almost surely, 2^385970782 is an apocalyptic number.

385970782 is a deficient number, since it is larger than the sum of its proper divisors (192985394).

385970782 is a wasteful number, since it uses less digits than its factorization.

385970782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192985393.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 385970782 is about 19646.1391117950. The cubic root of 385970782 is about 728.0895702999.

The spelling of 385970782 in words is "three hundred eighty-five million, nine hundred seventy thousand, seven hundred eighty-two".