1896705872 has 10 divisors (see below), whose sum is σ = 3674867658. Its totient is φ = 948352928.

The previous prime is 1896705871. The next prime is 1896705917. The reversal of 1896705872 is 2785076981.

It can be written as a sum of positive squares in only one way, i.e., 1878008896 + 18696976 = 43336^2 + 4324^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896705871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59272043 + ... + 59272074.

Almost surely, 2^1896705872 is an apocalyptic number.

It is an amenable number.

1896705872 is a deficient number, since it is larger than the sum of its proper divisors (1778161786).

1896705872 is a wasteful number, since it uses less digits than its factorization.

1896705872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118544125 (or 118544119 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 53.

The square root of 1896705872 is about 43551.1868035763. The cubic root of 1896705872 is about 1237.8461291011.

The spelling of 1896705872 in words is "one billion, eight hundred ninety-six million, seven hundred five thousand, eight hundred seventy-two".