1384618408 has 16 divisors (see below), whose sum is σ = 2606506560. Its totient is φ = 689550000.

The previous prime is 1384618399. The next prime is 1384618429. The reversal of 1384618408 is 8048164831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342768 + ... + 346783.

It is an arithmetic number, because the mean of its divisors is an integer number (162906660).

Almost surely, 2^1384618408 is an apocalyptic number.

It is an amenable number.

1384618408 is a deficient number, since it is larger than the sum of its proper divisors (1221888152).

1384618408 is a wasteful number, since it uses less digits than its factorization.

1384618408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689808 (or 689804 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 1384618408 is about 37210.4610022504. The cubic root of 1384618408 is about 1114.5768892047.

The spelling of 1384618408 in words is "one billion, three hundred eighty-four million, six hundred eighteen thousand, four hundred eight".