1380210 has 32 divisors (see below), whose sum is σ = 3568320. Its totient is φ = 339648.

The previous prime is 1380199. The next prime is 1380221. The reversal of 1380210 is 120831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1380199) and next prime (1380221).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1380210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380 + ... + 2159.

It is an arithmetic number, because the mean of its divisors is an integer number (111510).

2^1380210 is an apocalyptic number.

1380210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380210 is an abundant number, since it is smaller than the sum of its proper divisors (2188110).

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

1380210 is a wasteful number, since it uses less digits than its factorization.

1380210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1380210 is about 1174.8233909827. The cubic root of 1380210 is about 111.3392752236.

The spelling of 1380210 in words is "one million, three hundred eighty thousand, two hundred ten".