384544388 has 6 divisors (see below), whose sum is σ = 672952686. Its totient is φ = 192272192.

The previous prime is 384544351. The next prime is 384544451. The reversal of 384544388 is 883445483.

It can be written as a sum of positive squares in only one way, i.e., 372026944 + 12517444 = 19288^2 + 3538^2 .

It is a super-4 number, since 4×384544388⁴ (a number of 35 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48068045 + ... + 48068052.

It is an arithmetic number, because the mean of its divisors is an integer number (112158781).

Almost surely, 2^384544388 is an apocalyptic number.

It is an amenable number.

384544388 is a deficient number, since it is larger than the sum of its proper divisors (288408298).

384544388 is a wasteful number, since it uses less digits than its factorization.

384544388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96136101 (or 96136099 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 47.

The square root of 384544388 is about 19609.8033646439. The cubic root of 384544388 is about 727.1915536429.

The spelling of 384544388 in words is "three hundred eighty-four million, five hundred forty-four thousand, three hundred eighty-eight".