385018250 has 16 divisors (see below), whose sum is σ = 720754632. Its totient is φ = 154007200.

The previous prime is 385018243. The next prime is 385018267. The reversal of 385018250 is 52810583.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13184161 + 371834089 = 3631^2 + 19283^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769787 + ... + 770286.

Almost surely, 2^385018250 is an apocalyptic number.

385018250 is a deficient number, since it is larger than the sum of its proper divisors (335736382).

385018250 is a wasteful number, since it uses less digits than its factorization.

385018250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540090 (or 1540080 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 385018250 is about 19621.8819178997. The cubic root of 385018250 is about 727.4901294898.

The spelling of 385018250 in words is "three hundred eighty-five million, eighteen thousand, two hundred fifty".