1385598999 has 8 divisors (see below), whose sum is σ = 1847679232. Its totient is φ = 923625720.

The previous prime is 1385598967. The next prime is 1385599001. The reversal of 1385598999 is 9998955831.

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

It is not a de Polignac number, because 1385598999 - 2⁵ = 1385598967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385598919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11172 + ... + 53814.

It is an arithmetic number, because the mean of its divisors is an integer number (230959904).

Almost surely, 2^1385598999 is an apocalyptic number.

1385598999 is a deficient number, since it is larger than the sum of its proper divisors (462080233).

1385598999 is a wasteful number, since it uses less digits than its factorization.

1385598999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53477.

The product of its digits is 31492800, while the sum is 66.

The square root of 1385598999 is about 37223.6349514660. The cubic root of 1385598999 is about 1114.8399427057.

The spelling of 1385598999 in words is "one billion, three hundred eighty-five million, five hundred ninety-eight thousand, nine hundred ninety-nine".