1896630732 has 18 divisors (see below), whose sum is σ = 4794261108. Its totient is φ = 632210232.

The previous prime is 1896630731. The next prime is 1896630779. The reversal of 1896630732 is 2370366981.

1896630732 is a `hidden beast` number, since 1 + 8 + 9 + 6 + 630 + 7 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1896630731) 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 5 ways as a sum of consecutive naturals, for example, 26342058 + ... + 26342129.

Almost surely, 2^1896630732 is an apocalyptic number.

1896630732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1896630732 is an abundant number, since it is smaller than the sum of its proper divisors (2897630376).

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

1896630732 is a wasteful number, since it uses less digits than its factorization.

1896630732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52684197 (or 52684192 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1896630732 is about 43550.3241319740. The cubic root of 1896630732 is about 1237.8297826927.

The spelling of 1896630732 in words is "one billion, eight hundred ninety-six million, six hundred thirty thousand, seven hundred thirty-two".