1897028 has 12 divisors (see below), whose sum is σ = 3794112. Its totient is φ = 813000.
The previous prime is 1897009. The next prime is 1897037. The reversal of 1897028 is 8207981.
It is a happy number.
1897028 is an admirable number.
It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33848 + ... + 33903.
It is an arithmetic number, because the mean of its divisors is an integer number (316176).
21897028 is an apocalyptic number.
It is an amenable number.
1897028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1897028 is a wasteful number, since it uses less digits than its factorization.
1897028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67762 (or 67760 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 35.
The square root of 1897028 is about 1377.3263955940. The cubic root of 1897028 is about 123.7916201875.
The spelling of 1897028 in words is "one million, eight hundred ninety-seven thousand, twenty-eight".
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