1338925 has 18 divisors (see below), whose sum is σ = 1933098. Its totient is φ = 917280.

The previous prime is 1338923. The next prime is 1338941. The reversal of 1338925 is 5298331.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 405769 + 933156 = 637^2 + 966^2 .

It is not a de Polignac number, because 1338925 - 2¹ = 1338923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338923) 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 17 ways as a sum of consecutive naturals, for example, 679 + ... + 1771.

2^1338925 is an apocalyptic number.

It is an amenable number.

1338925 is a deficient number, since it is larger than the sum of its proper divisors (594173).

1338925 is a wasteful number, since it uses less digits than its factorization.

1338925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1105 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 1338925 is about 1157.1192678372. The cubic root of 1338925 is about 110.2178876830.

The spelling of 1338925 in words is "one million, three hundred thirty-eight thousand, nine hundred twenty-five".