1093998057 has 8 divisors (see below), whose sum is σ = 1475053920. Its totient is φ = 721137120.

The previous prime is 1093998041. The next prime is 1093998071. The reversal of 1093998057 is 7508993901.

It is a happy number.

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

It is not a de Polignac number, because 1093998057 - 2⁴ = 1093998041 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1093998457) 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, 2048419 + ... + 2048952.

It is an arithmetic number, because the mean of its divisors is an integer number (184381740).

Almost surely, 2^1093998057 is an apocalyptic number.

It is an amenable number.

1093998057 is a deficient number, since it is larger than the sum of its proper divisors (381055863).

1093998057 is an equidigital number, since it uses as much as digits as its factorization.

1093998057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097463.

The product of its (nonzero) digits is 612360, while the sum is 51.

The square root of 1093998057 is about 33075.6414450272. The cubic root of 1093998057 is about 1030.3992096296.

The spelling of 1093998057 in words is "one billion, ninety-three million, nine hundred ninety-eight thousand, fifty-seven".