1896497 has 4 divisors (see below), whose sum is σ = 1936896. Its totient is φ = 1856100.
The previous prime is 1896473. The next prime is 1896527. The reversal of 1896497 is 7946981.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7946981 = 7 ⋅1135283.
It is a cyclic number.
It is not a de Polignac number, because 1896497 - 28 = 1896241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1896407) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20129 + ... + 20222.
It is an arithmetic number, because the mean of its divisors is an integer number (484224).
21896497 is an apocalyptic number.
It is an amenable number.
1896497 is a deficient number, since it is larger than the sum of its proper divisors (40399).
1896497 is an equidigital number, since it uses as much as digits as its factorization.
1896497 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40398.
The product of its digits is 108864, while the sum is 44.
The square root of 1896497 is about 1377.1336173371. The cubic root of 1896497 is about 123.7800688760.
The spelling of 1896497 in words is "one million, eight hundred ninety-six thousand, four hundred ninety-seven".
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