1343661 has 16 divisors (see below), whose sum is σ = 2058240. Its totient is φ = 771120.

The previous prime is 1343653. The next prime is 1343669. The reversal of 1343661 is 1663431.

It is an interprime number because it is at equal distance from previous prime (1343653) and next prime (1343669).

It is not a de Polignac number, because 1343661 - 2³ = 1343653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445 + ... + 1698.

It is an arithmetic number, because the mean of its divisors is an integer number (128640).

2^1343661 is an apocalyptic number.

1343661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1343661 is a deficient number, since it is larger than the sum of its proper divisors (714579).

1343661 is a wasteful number, since it uses less digits than its factorization.

1343661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176.

The product of its digits is 1296, while the sum is 24.

The square root of 1343661 is about 1159.1639228340. The cubic root of 1343661 is about 110.3476877503.

The spelling of 1343661 in words is "one million, three hundred forty-three thousand, six hundred sixty-one".