1689062448 has 20 divisors (see below), whose sum is σ = 4363411448. Its totient is φ = 563020800.

The previous prime is 1689062413. The next prime is 1689062461. The reversal of 1689062448 is 8442609861.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 35188801 = 1689062448 / (1 + 6 + 8 + 9 + 0 + 6 + 2 + 4 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 1689062397 and 1689062406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17594353 + ... + 17594448.

Almost surely, 2^1689062448 is an apocalyptic number.

It is an amenable number.

1689062448 is an abundant number, since it is smaller than the sum of its proper divisors (2674349000).

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

1689062448 is a wasteful number, since it uses less digits than its factorization.

1689062448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35188812 (or 35188806 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 1689062448 is about 41098.2049243030. The cubic root of 1689062448 is about 1190.9181173486.

The spelling of 1689062448 in words is "one billion, six hundred eighty-nine million, sixty-two thousand, four hundred forty-eight".