1385010 has 48 divisors (see below), whose sum is σ = 3931200. Its totient is φ = 335520.

The previous prime is 1385009. The next prime is 1385017. The reversal of 1385010 is 105831.

Added to its reverse (105831) it gives a square (1490841 = 1221²).

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385017) 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, 291 + ... + 1689.

It is an arithmetic number, because the mean of its divisors is an integer number (81900).

2^1385010 is an apocalyptic number.

1385010 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 1385010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1965600).

1385010 is an abundant number, since it is smaller than the sum of its proper divisors (2546190).

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

1385010 is a wasteful number, since it uses less digits than its factorization.

1385010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1385010 is about 1176.8644781792. The cubic root of 1385010 is about 111.4681952629.

Adding to 1385010 its reverse (105831), we get a square (1490841 = 1221²).

The spelling of 1385010 in words is "one million, three hundred eighty-five thousand, ten".