1343740 has 12 divisors (see below), whose sum is σ = 2821896. Its totient is φ = 537488.

The previous prime is 1343723. The next prime is 1343743. The reversal of 1343740 is 473431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33574 + ... + 33613.

It is an arithmetic number, because the mean of its divisors is an integer number (235158).

2^1343740 is an apocalyptic number.

1343740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343740 is an abundant number, since it is smaller than the sum of its proper divisors (1478156).

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

1343740 is a wasteful number, since it uses less digits than its factorization.

1343740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67196 (or 67194 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 1343740 is about 1159.1979986180. The cubic root of 1343740 is about 110.3498503236.

The spelling of 1343740 in words is "one million, three hundred forty-three thousand, seven hundred forty".