1380450 has 24 divisors (see below), whose sum is σ = 3423888. Its totient is φ = 368080.

The previous prime is 1380443. The next prime is 1380469. The reversal of 1380450 is 540831.

1380450 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4452 + ... + 4751.

It is an arithmetic number, because the mean of its divisors is an integer number (142662).

2^1380450 is an apocalyptic number.

1380450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380450 is an abundant number, since it is smaller than the sum of its proper divisors (2043438).

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

1380450 is a wasteful number, since it uses less digits than its factorization.

1380450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9218 (or 9213 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1380450 is about 1174.9255295550. The cubic root of 1380450 is about 111.3457283183.

It can be divided in two parts, 1380 and 450, that added together give a triangular number (1830 = T₆₀).

The spelling of 1380450 in words is "one million, three hundred eighty thousand, four hundred fifty".