1089604671 has 16 divisors (see below), whose sum is σ = 1461861600. Its totient is φ = 721888128.

The previous prime is 1089604603. The next prime is 1089604673. The reversal of 1089604671 is 1764069801.

It is not a de Polignac number, because 1089604671 - 2⁷ = 1089604543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089604673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485965 + ... + 488201.

It is an arithmetic number, because the mean of its divisors is an integer number (91366350).

Almost surely, 2^1089604671 is an apocalyptic number.

1089604671 is a deficient number, since it is larger than the sum of its proper divisors (372256929).

1089604671 is a wasteful number, since it uses less digits than its factorization.

1089604671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1089604671 is about 33009.1604104073. The cubic root of 1089604671 is about 1029.0180326087.

The spelling of 1089604671 in words is "one billion, eighty-nine million, six hundred four thousand, six hundred seventy-one".