1090824989 has 8 divisors (see below), whose sum is σ = 1117110720. Its totient is φ = 1064581056.

The previous prime is 1090824961. The next prime is 1090825003. The reversal of 1090824989 is 9894280901.

It is a happy number.

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 1090824989 - 2²⁴ = 1074047773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090824929) 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, 45992 + ... + 65550.

It is an arithmetic number, because the mean of its divisors is an integer number (139638840).

Almost surely, 2^1090824989 is an apocalyptic number.

It is an amenable number.

1090824989 is a deficient number, since it is larger than the sum of its proper divisors (26285731).

1090824989 is a wasteful number, since it uses less digits than its factorization.

1090824989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20899.

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 1090824989 is about 33027.6397733777. The cubic root of 1090824989 is about 1029.4020436670.

The spelling of 1090824989 in words is "one billion, ninety million, eight hundred twenty-four thousand, nine hundred eighty-nine".