1896697 has 4 divisors (see below), whose sum is σ = 2069136. Its totient is φ = 1724260.

The previous prime is 1896689. The next prime is 1896721. The reversal of 1896697 is 7966981.

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.

It is a cyclic number.

It is not a de Polignac number, because 1896697 - 2³ = 1896689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1896607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86203 + ... + 86224.

It is an arithmetic number, because the mean of its divisors is an integer number (517284).

2^1896697 is an apocalyptic number.

It is an amenable number.

1896697 is a deficient number, since it is larger than the sum of its proper divisors (172439).

1896697 is a wasteful number, since it uses less digits than its factorization.

1896697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172438.

The product of its digits is 163296, while the sum is 46.

The square root of 1896697 is about 1377.2062300179. The cubic root of 1896697 is about 123.7844199055.

It can be divided in two parts, 189 and 6697, that added together give a palindrome (6886).

The spelling of 1896697 in words is "one million, eight hundred ninety-six thousand, six hundred ninety-seven".