1118890349 has 8 divisors (see below), whose sum is σ = 1135581120. Its totient is φ = 1102225600.

The previous prime is 1118890327. The next prime is 1118890379. The reversal of 1118890349 is 9430988111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1118890349 is a prime.

It is a super-2 number, since 2×1118890349² = 2503831226170683602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118890379) 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, 90842 + ... + 102420.

It is an arithmetic number, because the mean of its divisors is an integer number (141947640).

Almost surely, 2^1118890349 is an apocalyptic number.

It is an amenable number.

1118890349 is a deficient number, since it is larger than the sum of its proper divisors (16690771).

1118890349 is a wasteful number, since it uses less digits than its factorization.

1118890349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13011.

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 1118890349 is about 33449.8183702094. The cubic root of 1118890349 is about 1038.1557394064.

The spelling of 1118890349 in words is "one billion, one hundred eighteen million, eight hundred ninety thousand, three hundred forty-nine".