1896340 has 24 divisors (see below), whose sum is σ = 4059720. Its totient is φ = 743808.

The previous prime is 1896331. The next prime is 1896341. The reversal of 1896340 is 436981.

It can be written as a sum of positive squares in 4 ways, for example, as 806404 + 1089936 = 898^2 + 1044^2 .

It is a super-2 number, since 2×1896340² = 7192210791200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896341) 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 7 ways as a sum of consecutive naturals, for example, 166 + ... + 1954.

It is an arithmetic number, because the mean of its divisors is an integer number (169155).

2^1896340 is an apocalyptic number.

1896340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1896340 is an abundant number, since it is smaller than the sum of its proper divisors (2163380).

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

1896340 is a wasteful number, since it uses less digits than its factorization.

1896340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851 (or 1849 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1896340 is about 1377.0766137002. The cubic root of 1896340 is about 123.7766531034.

The spelling of 1896340 in words is "one million, eight hundred ninety-six thousand, three hundred forty".