1343880 has 48 divisors (see below), whose sum is σ = 4368780. Its totient is φ = 358272.

The previous prime is 1343873. The next prime is 1343887. The reversal of 1343880 is 883431.

It is an interprime number because it is at equal distance from previous prime (1343873) and next prime (1343887).

It can be written as a sum of positive squares in 2 ways, for example, as 1340964 + 2916 = 1158^2 + 54^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1343887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1507 + ... + 2226.

2^1343880 is an apocalyptic number.

1343880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343880 is an abundant number, since it is smaller than the sum of its proper divisors (3024900).

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

1343880 is a wasteful number, since it uses less digits than its factorization.

1343880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750 (or 3743 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1343880 is about 1159.2583836229. The cubic root of 1343880 is about 110.3536825239.

The spelling of 1343880 in words is "one million, three hundred forty-three thousand, eight hundred eighty".