385898143 has 8 divisors (see below), whose sum is σ = 388009440. Its totient is φ = 383792640.

The previous prime is 385898131. The next prime is 385898171. The reversal of 385898143 is 341898583.

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 385898143 - 2¹⁷ = 385767071 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389898143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203343 + ... + 205231.

It is an arithmetic number, because the mean of its divisors is an integer number (48501180).

Almost surely, 2^385898143 is an apocalyptic number.

385898143 is a deficient number, since it is larger than the sum of its proper divisors (2111297).

385898143 is a wasteful number, since it uses less digits than its factorization.

385898143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897.

The product of its digits is 829440, while the sum is 49.

The square root of 385898143 is about 19644.2903409617. The cubic root of 385898143 is about 728.0438923894.

The spelling of 385898143 in words is "three hundred eighty-five million, eight hundred ninety-eight thousand, one hundred forty-three".