1385250 has 32 divisors (see below), whose sum is σ = 3459456. Its totient is φ = 369200.

The previous prime is 1385213. The next prime is 1385273. The reversal of 1385250 is 525831.

It is a self number, because there is not a number n which added to its sum of digits gives 1385250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (108108).

2^1385250 is an apocalyptic number.

1385250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1385250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729728).

1385250 is an abundant number, since it is smaller than the sum of its proper divisors (2074206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1385250 is a wasteful number, since it uses less digits than its factorization.

1385250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1385250 is about 1176.9664396235. The cubic root of 1385250 is about 111.4746334407.

The spelling of 1385250 in words is "one million, three hundred eighty-five thousand, two hundred fifty".