378384830 has 16 divisors (see below), whose sum is σ = 692259264. Its totient is φ = 148872480.

The previous prime is 378384767. The next prime is 378384833. The reversal of 378384830 is 38483873.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378384833) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 309542 + ... + 310761.

It is an arithmetic number, because the mean of its divisors is an integer number (43266204).

Almost surely, 2^378384830 is an apocalyptic number.

378384830 is a deficient number, since it is larger than the sum of its proper divisors (313874434).

378384830 is a wasteful number, since it uses less digits than its factorization.

378384830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620371.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 378384830 is about 19452.1163373038. The cubic root of 378384830 is about 723.2879650923.

The spelling of 378384830 in words is "three hundred seventy-eight million, three hundred eighty-four thousand, eight hundred thirty".