384136442 has 8 divisors (see below), whose sum is σ = 591777876. Its totient is φ = 186877152.

The previous prime is 384136429. The next prime is 384136447. The reversal of 384136442 is 244631483.

It can be written as a sum of positive squares in 2 ways, for example, as 376786921 + 7349521 = 19411^2 + 2711^2 .

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 (384136447) 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, 2595443 + ... + 2595590.

Almost surely, 2^384136442 is an apocalyptic number.

384136442 is a deficient number, since it is larger than the sum of its proper divisors (207641434).

384136442 is a wasteful number, since it uses less digits than its factorization.

384136442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191072.

The product of its digits is 55296, while the sum is 35.

The square root of 384136442 is about 19599.3990213986. The cubic root of 384136442 is about 726.9343142887.

The spelling of 384136442 in words is "three hundred eighty-four million, one hundred thirty-six thousand, four hundred forty-two".