1896664 has 32 divisors (see below), whose sum is σ = 4435200. Its totient is φ = 738720.

The previous prime is 1896659. The next prime is 1896667. The reversal of 1896664 is 4666981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924 + ... + 2155.

It is an arithmetic number, because the mean of its divisors is an integer number (138600).

2^1896664 is an apocalyptic number.

1896664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1896664 is an abundant number, since it is smaller than the sum of its proper divisors (2538536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1896664 is a wasteful number, since it uses less digits than its factorization.

1896664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103 (or 3099 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 1896664 is about 1377.1942491893. The cubic root of 1896664 is about 123.7837020067.

The spelling of 1896664 in words is "one million, eight hundred ninety-six thousand, six hundred sixty-four".