388250085 has 24 divisors (see below), whose sum is σ = 655624800. Its totient is φ = 196165728.

The previous prime is 388250077. The next prime is 388250087. The reversal of 388250085 is 580052883.

It is not a de Polignac number, because 388250085 - 2³ = 388250077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388250087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30435 + ... + 41264.

It is an arithmetic number, because the mean of its divisors is an integer number (27317700).

Almost surely, 2^388250085 is an apocalyptic number.

It is an amenable number.

388250085 is a deficient number, since it is larger than the sum of its proper divisors (267374715).

388250085 is a wasteful number, since it uses less digits than its factorization.

388250085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71745 (or 71726 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 388250085 is about 19704.0626521537. The cubic root of 388250085 is about 729.5199727762.

The spelling of 388250085 in words is "three hundred eighty-eight million, two hundred fifty thousand, eighty-five".