1344661 has 4 divisors (see below), whose sum is σ = 1347424. Its totient is φ = 1341900.

The previous prime is 1344647. The next prime is 1344667. The reversal of 1344661 is 1664431.

1344661 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1344661 - 2¹³ = 1336469 is a prime.

It is a super-2 number, since 2×1344661² = 3616226409842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344667) 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, 435 + ... + 1696.

It is an arithmetic number, because the mean of its divisors is an integer number (336856).

2^1344661 is an apocalyptic number.

It is an amenable number.

1344661 is a deficient number, since it is larger than the sum of its proper divisors (2763).

1344661 is an equidigital number, since it uses as much as digits as its factorization.

1344661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762.

The product of its digits is 1728, while the sum is 25.

The square root of 1344661 is about 1159.5951879859. The cubic root of 1344661 is about 110.3750558449.

The spelling of 1344661 in words is "one million, three hundred forty-four thousand, six hundred sixty-one".