384477146 has 4 divisors (see below), whose sum is σ = 576715722. Its totient is φ = 192238572.

The previous prime is 384477113. The next prime is 384477161. The reversal of 384477146 is 641774483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641774483 = 7 ⋅91682069.

It can be written as a sum of positive squares in only one way, i.e., 383728921 + 748225 = 19589^2 + 865^2 .

It is a junction number, because it is equal to n+sod(n) for n = 384477097 and 384477106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96119285 + ... + 96119288.

Almost surely, 2^384477146 is an apocalyptic number.

384477146 is a deficient number, since it is larger than the sum of its proper divisors (192238576).

384477146 is a wasteful number, since it uses less digits than its factorization.

384477146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192238575.

The product of its digits is 451584, while the sum is 44.

The square root of 384477146 is about 19608.0887900886. The cubic root of 384477146 is about 727.1491652422.

The spelling of 384477146 in words is "three hundred eighty-four million, four hundred seventy-seven thousand, one hundred forty-six".