1683897 has 8 divisors (see below), whose sum is σ = 2252640. Its totient is φ = 1118880.

The previous prime is 1683887. The next prime is 1683949. The reversal of 1683897 is 7983861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1683897 - 2¹² = 1679801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1683817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397 + ... + 1877.

It is an arithmetic number, because the mean of its divisors is an integer number (281580).

2^1683897 is an apocalyptic number.

It is an amenable number.

1683897 is a deficient number, since it is larger than the sum of its proper divisors (568743).

1683897 is a wasteful number, since it uses less digits than its factorization.

1683897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863.

The product of its digits is 72576, while the sum is 42.

The square root of 1683897 is about 1297.6505692982. The cubic root of 1683897 is about 118.9702865813.

The spelling of 1683897 in words is "one million, six hundred eighty-three thousand, eight hundred ninety-seven".