1338471 has 16 divisors (see below), whose sum is σ = 2008800. Its totient is φ = 880704.

The previous prime is 1338457. The next prime is 1338473. The reversal of 1338471 is 1748331.

It is not a de Polignac number, because 1338471 - 2⁷ = 1338343 is a prime.

It is a super-3 number, since 3×1338471³ = 7193630932038783333, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2125 + ... + 2681.

It is an arithmetic number, because the mean of its divisors is an integer number (125550).

2^1338471 is an apocalyptic number.

1338471 is a deficient number, since it is larger than the sum of its proper divisors (670329).

1338471 is an equidigital number, since it uses as much as digits as its factorization.

1338471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 649 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1338471 is about 1156.9230743658. The cubic root of 1338471 is about 110.2054287880.

The spelling of 1338471 in words is "one million, three hundred thirty-eight thousand, four hundred seventy-one".