1938069 has 12 divisors (see below), whose sum is σ = 3199456. Its totient is φ = 1107432.
The previous prime is 1938067. The next prime is 1938071. The reversal of 1938069 is 9608391.
It is an interprime number because it is at equal distance from previous prime (1938067) and next prime (1938071).
It is not a de Polignac number, because 1938069 - 21 = 1938067 is a prime.
It is a super-2 number, since 2×19380692 = 7512222897522, 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 (1938067) 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 11 ways as a sum of consecutive naturals, for example, 15319 + ... + 15444.
21938069 is an apocalyptic number.
It is an amenable number.
1938069 is a deficient number, since it is larger than the sum of its proper divisors (1261387).
1938069 is a wasteful number, since it uses less digits than its factorization.
1938069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30776 (or 30773 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 36.
The square root of 1938069 is about 1392.1454665372. The cubic root of 1938069 is about 124.6779764524.
The spelling of 1938069 in words is "one million, nine hundred thirty-eight thousand, sixty-nine".
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