1388597 has 8 divisors (see below), whose sum is σ = 1598016. Its totient is φ = 1181952.

The previous prime is 1388593. The next prime is 1388603. The reversal of 1388597 is 7958831.

It is a happy number.

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 1388597 - 2² = 1388593 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388593) 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, 533 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (199752).

2^1388597 is an apocalyptic number.

It is an amenable number.

1388597 is a deficient number, since it is larger than the sum of its proper divisors (209419).

1388597 is a wasteful number, since it uses less digits than its factorization.

1388597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387.

The product of its digits is 60480, while the sum is 41.

The square root of 1388597 is about 1178.3874575028. The cubic root of 1388597 is about 111.5643417978.

The spelling of 1388597 in words is "one million, three hundred eighty-eight thousand, five hundred ninety-seven".