1090409837 has 8 divisors (see below), whose sum is σ = 1201316832. Its totient is φ = 981466000.

The previous prime is 1090409821. The next prime is 1090409843. The reversal of 1090409837 is 7389040901.

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 1090409837 - 2⁴ = 1090409821 is a prime.

It is a super-2 number, since 2×1090409837² = 2377987225252733138, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1090409794 and 1090409803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090409897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489623 + ... + 491844.

It is an arithmetic number, because the mean of its divisors is an integer number (150164604).

Almost surely, 2^1090409837 is an apocalyptic number.

It is an amenable number.

1090409837 is a deficient number, since it is larger than the sum of its proper divisors (110906995).

1090409837 is a wasteful number, since it uses less digits than its factorization.

1090409837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981579.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 1090409837 is about 33021.3542575104. The cubic root of 1090409837 is about 1029.2714353205.

The spelling of 1090409837 in words is "one billion, ninety million, four hundred nine thousand, eight hundred thirty-seven".