1340850 has 48 divisors (see below), whose sum is σ = 3803328. Its totient is φ = 306240.

The previous prime is 1340837. The next prime is 1340861. The reversal of 1340850 is 580431.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 412 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (79236).

2^1340850 is an apocalyptic number.

1340850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1901664).

1340850 is an abundant number, since it is smaller than the sum of its proper divisors (2462478).

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

1340850 is a wasteful number, since it uses less digits than its factorization.

1340850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299 (or 1294 counting only the distinct ones).

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

The square root of 1340850 is about 1157.9507761559. The cubic root of 1340850 is about 110.2706832303.

The spelling of 1340850 in words is "one million, three hundred forty thousand, eight hundred fifty".