1896900688 has 10 divisors (see below), whose sum is σ = 3675245114. Its totient is φ = 948450336.

The previous prime is 1896900659. The next prime is 1896900727. The reversal of 1896900688 is 8860096981.

It can be written as a sum of positive squares in only one way, i.e., 1698428944 + 198471744 = 41212^2 + 14088^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59278131 + ... + 59278162.

Almost surely, 2^1896900688 is an apocalyptic number.

It is an amenable number.

1896900688 is a deficient number, since it is larger than the sum of its proper divisors (1778344426).

1896900688 is a wasteful number, since it uses less digits than its factorization.

1896900688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118556301 (or 118556295 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 55.

The square root of 1896900688 is about 43553.4233786507. The cubic root of 1896900688 is about 1237.8885085371. Note that the first 3 decimals are identical.

The spelling of 1896900688 in words is "one billion, eight hundred ninety-six million, nine hundred thousand, six hundred eighty-eight".