383985499 has 8 divisors (see below), whose sum is σ = 397922688. Its totient is φ = 370145280.

The previous prime is 383985493. The next prime is 383985521. The reversal of 383985499 is 994589383.

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

It is a cyclic number.

It is not a de Polignac number, because 383985499 - 2⁵ = 383985467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383985493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16132 + ... + 32065.

It is an arithmetic number, because the mean of its divisors is an integer number (49740336).

Almost surely, 2^383985499 is an apocalyptic number.

383985499 is a deficient number, since it is larger than the sum of its proper divisors (13937189).

383985499 is a wasteful number, since it uses less digits than its factorization.

383985499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48485.

The product of its digits is 8398080, while the sum is 58.

The square root of 383985499 is about 19595.5479382435. The cubic root of 383985499 is about 726.8390876893.

The spelling of 383985499 in words is "three hundred eighty-three million, nine hundred eighty-five thousand, four hundred ninety-nine".