1383839998 has 8 divisors (see below), whose sum is σ = 2102035680. Its totient is φ = 683161440.

The previous prime is 1383839981. The next prime is 1383840023. The reversal of 1383839998 is 8999383831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 4379083 + ... + 4379398.

It is an arithmetic number, because the mean of its divisors is an integer number (262754460).

Almost surely, 2^1383839998 is an apocalyptic number.

1383839998 is a deficient number, since it is larger than the sum of its proper divisors (718195682).

1383839998 is an equidigital number, since it uses as much as digits as its factorization.

1383839998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758562.

The product of its digits is 10077696, while the sum is 61.

The square root of 1383839998 is about 37199.9999731183. Note that the first 4 decimals coincide. The cubic root of 1383839998 is about 1114.3679843721.

The spelling of 1383839998 in words is "one billion, three hundred eighty-three million, eight hundred thirty-nine thousand, nine hundred ninety-eight".