1343664 has 120 divisors (see below), whose sum is σ = 4539392. Its totient is φ = 362880.

The previous prime is 1343653. The next prime is 1343669. The reversal of 1343664 is 4663431.

1343664 = 193² + 194² + ... + 223².

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

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 23 ways as a sum of consecutive naturals, for example, 31227 + ... + 31269.

2^1343664 is an apocalyptic number.

1343664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2269696).

1343664 is an abundant number, since it is smaller than the sum of its proper divisors (3195728).

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

1343664 is a wasteful number, since it uses less digits than its factorization.

1343664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 86 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 1343664 is about 1159.1652168695. The cubic root of 1343664 is about 110.3477698748.

The spelling of 1343664 in words is "one million, three hundred forty-three thousand, six hundred sixty-four".