1385300 has 36 divisors (see below), whose sum is σ = 3437280. Its totient is φ = 474720.

The previous prime is 1385299. The next prime is 1385303. The reversal of 1385300 is 35831.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290 + ... + 1689.

It is an arithmetic number, because the mean of its divisors is an integer number (95480).

2^1385300 is an apocalyptic number.

1385300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1385300 is an abundant number, since it is smaller than the sum of its proper divisors (2051980).

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

1385300 is a wasteful number, since it uses less digits than its factorization.

1385300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1385300 is about 1176.9876804793. The cubic root of 1385300 is about 111.4759746341.

Subtracting from 1385300 its sum of digits (20), we obtain a triangular number (1385280 = T₁₆₆₄).

The spelling of 1385300 in words is "one million, three hundred eighty-five thousand, three hundred".