1338994 has 8 divisors (see below), whose sum is σ = 2013660. Its totient is φ = 667776.

The previous prime is 1338979. The next prime is 1339001. The reversal of 1338994 is 4998331.

It can be written as a sum of positive squares in 2 ways, for example, as 1292769 + 46225 = 1137^2 + 215^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 622 + ... + 1750.

2^1338994 is an apocalyptic number.

1338994 is a deficient number, since it is larger than the sum of its proper divisors (674666).

1338994 is a wasteful number, since it uses less digits than its factorization.

1338994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724.

The product of its digits is 23328, while the sum is 37.

The square root of 1338994 is about 1157.1490828757. The cubic root of 1338994 is about 110.2197809689.

It can be divided in two parts, 133899 and 4, that added together give a triangular number (133903 = T₅₁₇).

The spelling of 1338994 in words is "one million, three hundred thirty-eight thousand, nine hundred ninety-four".