1383340 has 48 divisors (see below), whose sum is σ = 3415104. Its totient is φ = 460800.

The previous prime is 1383331. The next prime is 1383359. The reversal of 1383340 is 433831.

1383340 = T₂₃₉ + T₂₄₀ + ... + T₂₇₉.

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, 5620 + ... + 5860.

It is an arithmetic number, because the mean of its divisors is an integer number (71148).

2^1383340 is an apocalyptic number.

1383340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1383340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1707552).

1383340 is an abundant number, since it is smaller than the sum of its proper divisors (2031764).

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

1383340 is a wasteful number, since it uses less digits than its factorization.

1383340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1383340 is about 1176.1547517227. The cubic root of 1383340 is about 111.4233756696.

The spelling of 1383340 in words is "one million, three hundred eighty-three thousand, three hundred forty".