1380590 has 8 divisors (see below), whose sum is σ = 2485080. Its totient is φ = 552232.

The previous prime is 1380571. The next prime is 1380607. The reversal of 1380590 is 950831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69020 + ... + 69039.

It is an arithmetic number, because the mean of its divisors is an integer number (310635).

2^1380590 is an apocalyptic number.

1380590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380590 is a deficient number, since it is larger than the sum of its proper divisors (1104490).

1380590 is a wasteful number, since it uses less digits than its factorization.

1380590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138066.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1380590 is about 1174.9851062886. The cubic root of 1380590 is about 111.3494922781.

The spelling of 1380590 in words is "one million, three hundred eighty thousand, five hundred ninety".