1380930 has 32 divisors (see below), whose sum is σ = 3345408. Its totient is φ = 364800.

The previous prime is 1380913. The next prime is 1380931. The reversal of 1380930 is 390831.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1380930.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5610 + ... + 5850.

It is an arithmetic number, because the mean of its divisors is an integer number (104544).

2^1380930 is an apocalyptic number.

1380930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380930 is an abundant number, since it is smaller than the sum of its proper divisors (1964478).

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

1380930 is a wasteful number, since it uses less digits than its factorization.

1380930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1380930 is about 1175.1297800669. The cubic root of 1380930 is about 111.3586322641.

Subtracting from 1380930 its reverse (390831), we obtain a palindrome (990099).

The spelling of 1380930 in words is "one million, three hundred eighty thousand, nine hundred thirty".