385472782 has 8 divisors (see below), whose sum is σ = 578295000. Its totient is φ = 192707784.

The previous prime is 385472761. The next prime is 385472819. The reversal of 385472782 is 287274583.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12844 + ... + 30592.

It is an arithmetic number, because the mean of its divisors is an integer number (72286875).

Almost surely, 2^385472782 is an apocalyptic number.

385472782 is a deficient number, since it is larger than the sum of its proper divisors (192822218).

385472782 is a wasteful number, since it uses less digits than its factorization.

385472782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28610.

The product of its digits is 752640, while the sum is 46.

The square root of 385472782 is about 19633.4607749118. The cubic root of 385472782 is about 727.7762955837.

It can be divided in two parts, 3854 and 72782, that added together give a triangular number (76636 = T₃₉₁).

The spelling of 385472782 in words is "three hundred eighty-five million, four hundred seventy-two thousand, seven hundred eighty-two".