408109102 has 16 divisors (see below), whose sum is σ = 646871040. Its totient is φ = 192710232.

The previous prime is 408109099. The next prime is 408109109. The reversal of 408109102 is 201901804.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408109109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52518 + ... + 59785.

It is an arithmetic number, because the mean of its divisors is an integer number (40429440).

Almost surely, 2^408109102 is an apocalyptic number.

408109102 is a deficient number, since it is larger than the sum of its proper divisors (238761938).

408109102 is a wasteful number, since it uses less digits than its factorization.

408109102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112407.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 408109102 is about 20201.7103731343. The cubic root of 408109102 is about 741.7520585993.

The spelling of 408109102 in words is "four hundred eight million, one hundred nine thousand, one hundred two".