1397349 has 12 divisors (see below), whose sum is σ = 2137356. Its totient is φ = 876672.
The previous prime is 1397339. The next prime is 1397359. The reversal of 1397349 is 9437931.
It is an interprime number because it is at equal distance from previous prime (1397339) and next prime (1397359).
It can be written as a sum of positive squares in 2 ways, for example, as 1102500 + 294849 = 1050^2 + 543^2 .
It is not a de Polignac number, because 1397349 - 211 = 1395301 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1397329) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4414 + ... + 4719.
It is an arithmetic number, because the mean of its divisors is an integer number (178113).
21397349 is an apocalyptic number.
It is an amenable number.
1397349 is a deficient number, since it is larger than the sum of its proper divisors (740007).
1397349 is a wasteful number, since it uses less digits than its factorization.
1397349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9156 (or 9153 counting only the distinct ones).
The product of its digits is 20412, while the sum is 36.
The square root of 1397349 is about 1182.0951738333. The cubic root of 1397349 is about 111.7982390119.
The spelling of 1397349 in words is "one million, three hundred ninety-seven thousand, three hundred forty-nine".
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