385898013 has 40 divisors (see below), whose sum is σ = 598177536. Its totient is φ = 247665600.

The previous prime is 385898003. The next prime is 385898021. The reversal of 385898013 is 310898583.

It is not a de Polignac number, because 385898013 - 2⁴ = 385897997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385898013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385898003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 785698 + ... + 786188.

Almost surely, 2^385898013 is an apocalyptic number.

It is an amenable number.

385898013 is a deficient number, since it is larger than the sum of its proper divisors (212279523).

385898013 is a wasteful number, since it uses less digits than its factorization.

385898013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 385898013 is about 19644.2870321119. The cubic root of 385898013 is about 728.0438106358.

The spelling of 385898013 in words is "three hundred eighty-five million, eight hundred ninety-eight thousand, thirteen".