6106405 has 8 divisors (see below), whose sum is σ = 7448184. Its totient is φ = 4804800.

The previous prime is 6106403. The next prime is 6106421. The reversal of 6106405 is 5046016.

It can be written as a sum of positive squares in 4 ways, for example, as 427716 + 5678689 = 654^2 + 2383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6106405 - 2¹ = 6106403 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 (6106403) 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, 9706 + ... + 10315.

It is an arithmetic number, because the mean of its divisors is an integer number (931023).

Almost surely, 2^6106405 is an apocalyptic number.

It is an amenable number.

6106405 is a deficient number, since it is larger than the sum of its proper divisors (1341779).

6106405 is a wasteful number, since it uses less digits than its factorization.

6106405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20087.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 6106405 is about 2471.1141212012. The cubic root of 6106405 is about 182.7799419215.

The spelling of 6106405 in words is "six million, one hundred six thousand, four hundred five".