1049391098 has 8 divisors (see below), whose sum is σ = 1798956192. Its totient is φ = 449739036.

The previous prime is 1049391067. The next prime is 1049391103. The reversal of 1049391098 is 8901939401.

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

It is a super-2 number, since 2×1049391098² = 2202443353123291208, which contains 22 as substring.

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, 37478240 + ... + 37478267.

It is an arithmetic number, because the mean of its divisors is an integer number (224869524).

Almost surely, 2^1049391098 is an apocalyptic number.

1049391098 is a deficient number, since it is larger than the sum of its proper divisors (749565094).

1049391098 is an equidigital number, since it uses as much as digits as its factorization.

1049391098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74956516.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 1049391098 is about 32394.3065676671. The cubic root of 1049391098 is about 1016.1998471498.

The spelling of 1049391098 in words is "one billion, forty-nine million, three hundred ninety-one thousand, ninety-eight".