1384633838 has 16 divisors (see below), whose sum is σ = 2374202880. Its totient is φ = 593278296.

The previous prime is 1384633829. The next prime is 1384633843. The reversal of 1384633838 is 8383364831.

It is a super-2 number, since 2×1384633838² = 3834421730669220488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1384633792 and 1384633801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73895 + ... + 90717.

It is an arithmetic number, because the mean of its divisors is an integer number (148387680).

Almost surely, 2^1384633838 is an apocalyptic number.

1384633838 is a deficient number, since it is larger than the sum of its proper divisors (989569042).

1384633838 is a wasteful number, since it uses less digits than its factorization.

1384633838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22711.

The product of its digits is 995328, while the sum is 47.

The square root of 1384633838 is about 37210.6683358415. The cubic root of 1384633838 is about 1114.5810294207.

The spelling of 1384633838 in words is "one billion, three hundred eighty-four million, six hundred thirty-three thousand, eight hundred thirty-eight".