1338493 has 8 divisors (see below), whose sum is σ = 1517600. Its totient is φ = 1170288.

The previous prime is 1338481. The next prime is 1338499. The reversal of 1338493 is 3948331.

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

It is a cyclic number.

It is not a de Polignac number, because 1338493 - 2⁹ = 1337981 is a prime.

It is a super-2 number, since 2×1338493² = 3583127022098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338499) 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, 2463 + ... + 2956.

It is an arithmetic number, because the mean of its divisors is an integer number (189700).

2^1338493 is an apocalyptic number.

1338493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1338493 is a deficient number, since it is larger than the sum of its proper divisors (179107).

1338493 is a wasteful number, since it uses less digits than its factorization.

1338493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451.

The product of its digits is 7776, while the sum is 31.

The square root of 1338493 is about 1156.9325823055. The cubic root of 1338493 is about 110.2060325880.

The spelling of 1338493 in words is "one million, three hundred thirty-eight thousand, four hundred ninety-three".