1408986109 has 8 divisors (see below), whose sum is σ = 1414756728. Its totient is φ = 1403228160.

The previous prime is 1408986107. The next prime is 1408986127. The reversal of 1408986109 is 9016898041.

It can be written as a sum of positive squares in 4 ways, for example, as 757460484 + 651525625 = 27522^2 + 25525^2 .

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 1408986109 - 2¹ = 1408986107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408986101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263349 + ... + 268645.

It is an arithmetic number, because the mean of its divisors is an integer number (176844591).

Almost surely, 2^1408986109 is an apocalyptic number.

It is an amenable number.

1408986109 is a deficient number, since it is larger than the sum of its proper divisors (5770619).

1408986109 is an equidigital number, since it uses as much as digits as its factorization.

1408986109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 1408986109 is about 37536.4637252898. The cubic root of 1408986109 is about 1121.0773299320.

The spelling of 1408986109 in words is "one billion, four hundred eight million, nine hundred eighty-six thousand, one hundred nine".