1896237648 has 40 divisors (see below), whose sum is σ = 5442905600. Its totient is φ = 632079072.

The previous prime is 1896237611. The next prime is 1896237653. The reversal of 1896237648 is 8467326981.

1896237648 is a `hidden beast` number, since 1 + 8 + 9 + 623 + 7 + 6 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1896237594 and 1896237603.

It is a congruent number.

It is an unprimeable number.

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, 2194288 + ... + 2195151.

It is an arithmetic number, because the mean of its divisors is an integer number (136072640).

Almost surely, 2^1896237648 is an apocalyptic number.

1896237648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1896237648 is an abundant number, since it is smaller than the sum of its proper divisors (3546667952).

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

1896237648 is a wasteful number, since it uses less digits than its factorization.

1896237648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389456 (or 4389444 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 1896237648 is about 43545.8109121876. The cubic root of 1896237648 is about 1237.7442617928.

The spelling of 1896237648 in words is "one billion, eight hundred ninety-six million, two hundred thirty-seven thousand, six hundred forty-eight".