1089464670 has 48 divisors (see below), whose sum is σ = 3237268320. Its totient is φ = 249020352.

The previous prime is 1089464627. The next prime is 1089464687. The reversal of 1089464670 is 764649801.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 864025 + ... + 865284.

It is an arithmetic number, because the mean of its divisors is an integer number (67443090).

Almost surely, 2^1089464670 is an apocalyptic number.

1089464670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089464670 is an abundant number, since it is smaller than the sum of its proper divisors (2147803650).

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

1089464670 is a wasteful number, since it uses less digits than its factorization.

1089464670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729329 (or 1729326 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1089464670 is about 33007.0397036753. The cubic root of 1089464670 is about 1028.9739586040.

The spelling of 1089464670 in words is "one billion, eighty-nine million, four hundred sixty-four thousand, six hundred seventy".