1963897 has 8 divisors (see below), whose sum is σ = 2226560. Its totient is φ = 1717200.

The previous prime is 1963889. The next prime is 1963921. The reversal of 1963897 is 7983691.

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

It is a cyclic number.

It is not a de Polignac number, because 1963897 - 2³ = 1963889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1963807) 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, 3729 + ... + 4222.

It is an arithmetic number, because the mean of its divisors is an integer number (278320).

2^1963897 is an apocalyptic number.

It is an amenable number.

1963897 is a deficient number, since it is larger than the sum of its proper divisors (262663).

1963897 is a wasteful number, since it uses less digits than its factorization.

1963897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983.

The product of its digits is 81648, while the sum is 43.

The square root of 1963897 is about 1401.3910945914. The cubic root of 1963897 is about 125.2293814823.

The spelling of 1963897 in words is "one million, nine hundred sixty-three thousand, eight hundred ninety-seven".