1343694385 has 24 divisors (see below), whose sum is σ = 1838862144. Its totient is φ = 934723680.

The previous prime is 1343694311. The next prime is 1343694389. The reversal of 1343694385 is 5834963431.

It is not a de Polignac number, because 1343694385 - 2⁹ = 1343693873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343694389) 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, 6004 + ... + 52186.

It is an arithmetic number, because the mean of its divisors is an integer number (76619256).

Almost surely, 2^1343694385 is an apocalyptic number.

It is an amenable number.

1343694385 is a deficient number, since it is larger than the sum of its proper divisors (495167759).

1343694385 is a wasteful number, since it uses less digits than its factorization.

1343694385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46245 (or 46222 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The square root of 1343694385 is about 36656.4371563850. The cubic root of 1343694385 is about 1103.4860165316.

The spelling of 1343694385 in words is "one billion, three hundred forty-three million, six hundred ninety-four thousand, three hundred eighty-five".