1380810 has 16 divisors (see below), whose sum is σ = 3314016. Its totient is φ = 368208.

The previous prime is 1380793. The next prime is 1380811. The reversal of 1380810 is 180831.

It is a happy number.

It is a super-2 number, since 2×1380810² = 3813272512200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1380811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22984 + ... + 23043.

It is an arithmetic number, because the mean of its divisors is an integer number (207126).

2^1380810 is an apocalyptic number.

1380810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380810 is an abundant number, since it is smaller than the sum of its proper divisors (1933206).

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

1380810 is a wasteful number, since it uses less digits than its factorization.

1380810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46037.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1380810 is about 1175.0787207673. The cubic root of 1380810 is about 111.3554065580.

Adding to 1380810 its sum of digits (21), we get a palindrome (1380831).

The spelling of 1380810 in words is "one million, three hundred eighty thousand, eight hundred ten".