382778630 has 64 divisors (see below), whose sum is σ = 789445440. Its totient is φ = 132378624.

The previous prime is 382778623. The next prime is 382778651. The reversal of 382778630 is 36877283.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 837362 + ... + 837818.

It is an arithmetic number, because the mean of its divisors is an integer number (12335085).

Almost surely, 2^382778630 is an apocalyptic number.

382778630 is an abundant number, since it is smaller than the sum of its proper divisors (406666810).

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

382778630 is a wasteful number, since it uses less digits than its factorization.

382778630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 382778630 is about 19564.7292340068. The cubic root of 382778630 is about 726.0768017975.

The spelling of 382778630 in words is "three hundred eighty-two million, seven hundred seventy-eight thousand, six hundred thirty".