1093889597 has 8 divisors (see below), whose sum is σ = 1109745144. Its totient is φ = 1078057728.

The previous prime is 1093889593. The next prime is 1093889639. The reversal of 1093889597 is 7959883901.

It can be written as a sum of positive squares in 4 ways, for example, as 449694436 + 644195161 = 21206^2 + 25381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1093889597 - 2² = 1093889593 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093889593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100913 + ... + 111225.

It is an arithmetic number, because the mean of its divisors is an integer number (138718143).

Almost surely, 2^1093889597 is an apocalyptic number.

It is an amenable number.

1093889597 is a deficient number, since it is larger than the sum of its proper divisors (15855547).

1093889597 is a wasteful number, since it uses less digits than its factorization.

1093889597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11839.

The product of its (nonzero) digits is 4898880, while the sum is 59.

The square root of 1093889597 is about 33074.0018292314. The cubic root of 1093889597 is about 1030.3651569209.

The spelling of 1093889597 in words is "one billion, ninety-three million, eight hundred eighty-nine thousand, five hundred ninety-seven".