104509406 has 16 divisors (see below), whose sum is σ = 159177744. Its totient is φ = 51456384.

The previous prime is 104509403. The next prime is 104509411. The reversal of 104509406 is 604905401.

104509406 = T₂₀₈ + T₂₀₉ + ... + T₈₅₉.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104509403) 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, 35420 + ... + 38256.

It is an arithmetic number, because the mean of its divisors is an integer number (9948609).

Almost surely, 2^104509406 is an apocalyptic number.

104509406 is a deficient number, since it is larger than the sum of its proper divisors (54668338).

104509406 is a wasteful number, since it uses less digits than its factorization.

104509406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 104509406 is about 10222.9842022768. The cubic root of 104509406 is about 471.0334975868.

The spelling of 104509406 in words is "one hundred four million, five hundred nine thousand, four hundred six".