1896680 has 16 divisors (see below), whose sum is σ = 4267620. Its totient is φ = 758656.

The previous prime is 1896677. The next prime is 1896683. The reversal of 1896680 is 866981.

It is an interprime number because it is at equal distance from previous prime (1896677) and next prime (1896683).

It can be written as a sum of positive squares in 2 ways, for example, as 1747684 + 148996 = 1322^2 + 386^2 .

It is not an unprimeable number, because it can be changed into a prime (1896683) 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 3 ways as a sum of consecutive naturals, for example, 23669 + ... + 23748.

2^1896680 is an apocalyptic number.

1896680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1896680 is an abundant number, since it is smaller than the sum of its proper divisors (2370940).

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

1896680 is a wasteful number, since it uses less digits than its factorization.

1896680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47428 (or 47424 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1896680 is about 1377.2000580889. The cubic root of 1896680 is about 123.7840500799.

The spelling of 1896680 in words is "one million, eight hundred ninety-six thousand, six hundred eighty".