384813442 has 8 divisors (see below), whose sum is σ = 621621756. Its totient is φ = 177606192.

The previous prime is 384813439. The next prime is 384813449. The reversal of 384813442 is 244318483.

It can be written as a sum of positive squares in 2 ways, for example, as 374770881 + 10042561 = 19359^2 + 3169^2 .

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

It is not an unprimeable number, because it can be changed into a prime (384813449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7400233 + ... + 7400284.

Almost surely, 2^384813442 is an apocalyptic number.

384813442 is a deficient number, since it is larger than the sum of its proper divisors (236808314).

384813442 is a wasteful number, since it uses less digits than its factorization.

384813442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14800532.

The product of its digits is 73728, while the sum is 37.

The square root of 384813442 is about 19616.6623562725. The cubic root of 384813442 is about 727.3611120338.

The spelling of 384813442 in words is "three hundred eighty-four million, eight hundred thirteen thousand, four hundred forty-two".