1344506385 has 32 divisors (see below), whose sum is σ = 2200296960. Its totient is φ = 700813568.

The previous prime is 1344506369. The next prime is 1344506419. The reversal of 1344506385 is 5836054431.

It is a cyclic number.

It is not a de Polignac number, because 1344506385 - 2⁴ = 1344506369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210712 + ... + 216998.

It is an arithmetic number, because the mean of its divisors is an integer number (68759280).

Almost surely, 2^1344506385 is an apocalyptic number.

1344506385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1344506385 is a deficient number, since it is larger than the sum of its proper divisors (855790575).

1344506385 is a wasteful number, since it uses less digits than its factorization.

1344506385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 1344506385 is about 36667.5113008778. The cubic root of 1344506385 is about 1103.7082521392.

The spelling of 1344506385 in words is "one billion, three hundred forty-four million, five hundred six thousand, three hundred eighty-five".