1382399998 has 8 divisors (see below), whose sum is σ = 2369828592. Its totient is φ = 592457136.

The previous prime is 1382399987. The next prime is 1382400083. The reversal of 1382399998 is 8999932831.

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

It is a super-2 number, since 2×1382399998² = 3822059508940800008, which contains 22 as substring.

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, 49371415 + ... + 49371442.

It is an arithmetic number, because the mean of its divisors is an integer number (296228574).

Almost surely, 2^1382399998 is an apocalyptic number.

1382399998 is a deficient number, since it is larger than the sum of its proper divisors (987428594).

1382399998 is an equidigital number, since it uses as much as digits as its factorization.

1382399998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98742866.

The product of its digits is 7558272, while the sum is 61.

The square root of 1382399998 is about 37180.6400966955. The cubic root of 1382399998 is about 1113.9813195298.

The spelling of 1382399998 in words is "one billion, three hundred eighty-two million, three hundred ninety-nine thousand, nine hundred ninety-eight".