1338463 has 8 divisors (see below), whose sum is σ = 1544832. Its totient is φ = 1135896.

The previous prime is 1338457. The next prime is 1338473. The reversal of 1338463 is 3648331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1338463 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145 + ... + 1642.

It is an arithmetic number, because the mean of its divisors is an integer number (193104).

2^1338463 is an apocalyptic number.

1338463 is a deficient number, since it is larger than the sum of its proper divisors (206369).

1338463 is a wasteful number, since it uses less digits than its factorization.

1338463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901.

The product of its digits is 5184, while the sum is 28.

The square root of 1338463 is about 1156.9196169138. The cubic root of 1338463 is about 110.2052092228.

The spelling of 1338463 in words is "one million, three hundred thirty-eight thousand, four hundred sixty-three".